Molded-to-Width R exnord 7956 B MatTop Chain
Rexnord® 7956 B MatTop® Chain
7956 B
Chain Drawing DIRECTION OF TRAVEL
Chain Width
Chain Height 0.50 (12.7 mm)
Chain Width desc 6 12 15 18 24 30
in 6.00 12.00 15.00 18.00 24.00 30.00
Guide Clearance mm 152.4 304.8 381.0 457.2 609.6 762.0
in 4.70 10.60 13.50 16.60 22.60 28.60
mm 119.4 269.2 342.9 421.6 574.0 726.4
Number of Sprockets 1 4 4 4 6 8
Chain Bottom to Bearing Bottom 0.61 (15.5 mm)
Chain Information
Chain Bottom to Bearing Top 0.23 (5.8 mm)
Min. Back-flex Radius 3.00 (72.6 mm)
Photo shows 7956 MatTop® Chain with roller bearing attachment molded in High Performance (HP™) material.
Chain Bottom to Centerline 0.25 (6.4 mm)
Min. Side-flex Radius (2x Chain Width)
Chain Strength lbs N 450 2,002 800 3,559 900 4,003 950 4,226 1,000 4,448 1,300 5,783
Chain Pitch 1.25 (31.8 mm) CCW
CW
STURN
Available Materials Prefix
HP™
Chain Material
High Performance
Standard Pin Material
Temperature Fahrenheit max min min dry wet
Standard Materials Polyester -40
180
150
-40
Celsius max dry wet 82
66
Approximate Weight lbs/ft2
Kg/m2
2.38
11.62
FDA Approval
Yes
Additional Notes
The Food and Drug Administration (FDA) accepts certain materials for direct food contact. FDA approved material is compliant to FDA 21 CFR § 177.
Stocked in 48 pitch, 5 ft (1.520 m) length strands. Open area = 16.0% Stainless steel pins are standard with the 6 in (152.4 mm) width. All other widths come with polyester pins. Also known as the RexFlex™. Must specify turn direction i.e. HP7956B-15-ccw. Carbon steel bearings are standard. Stainless steel bearings are available on a made-to-order basis for wet or high pressure wash applications. Chain strength is listed at room temperature. NR = Not Recommended.
Rexnord, RexFlex, MatTop and HP are trademarks of Rexnord Industries, LLC. All rights reserved Patent Pending
Rexnord® 7956 Series MatTop® Chain Product Portfolio
MT - 7956 - 1
Molded-to-Width
Regulatory Information
Rexnord® 7956 GT MatTop® Chain
7956 GT
Chain Drawing Chain Height 0.50 in (12.7 mm)
Chain Information Chain Width desc 6 12 15 18 24 30
in 6.00 12.00 15.00 18.00 24.00 30.00
Guide Clearance mm 152.4 304.8 381.0 457.2 609.6 762.0
in 4.44 10.38 13.31 16.31 22.31 28.38
mm 112.8 263.7 338.1 414.3 566.7 720.9
Number of Sprockets 1 4 4 4 6 8
Guide Top to Chain Bottom 0.22 in (5.6 mm)
Min. Backflex Radius 3.00 in (72.6 mm)
Photo shows 7956 MatTop® Chain with Guide Tabs molded in High Performance (HP™) material.
Chain Bottom to Centerline 0.25 in (6.4 mm)
Min. Side-flex Radius (2x Chain Width)
Chain Bottom to Guide Bottom 0.60 in (15.2 mm)
Chain Width
DIRECTION OF TRAVEL
Chain Strength lbs 450 800 900 950 1,000 1,300
N 2,002 3,559 4,003 4,226 4,448 5,783
Chain Pitch 1.25 in (31.8 mm) CCW
CW
STURN
Available Materials Prefix
Molded-to-Width
HP™
Chain Material
High Performance
Temperature Fahrenheit max min min dry wet Standard Materials Polyester -40 180 150 -40
Standard Pin Material
Celsius max dry wet 82
66
Approximate Weight lbs/ft2
Kg/m2
2.20
10.74
FDA Approval
Yes
Regulatory Information
Additional Notes
The Food and Drug Administration (FDA) accepts certain materials for direct food contact. FDA approved material is compliant to FDA 21 CFR § 177.
Stocked in 48 pitch, 5 ft (1.520 m) length strands. Open area = 16.0% Stainless steel pins are standard with the 6 in (152.4 mm) width. All other widths come with polyester pins. Also known as the RexFlex™. Must specify turn direction i.e. HP7956B-15-ccw. Carbon steel bearings are standard. Stainless steel bearings are available on a made-to-order basis for wet or high pressure wash applications. Chain strength is listed at room temperature. NR = Not Recommended.
Rexnord, RexFlex, MatTop and HP are trademarks of Rexnord Industries, LLC. All rights reserved Patent Pending
MT - 7956 - 2
Rexnord® 7956 Series MatTop® Chain Product Portfolio
Chain Drawing Chain Height 0.50 in (12.7 mm)
Chain Width
Guide Width Clearance
DIRECTION OF TRAVEL
desc 6 12 15 18 24 30
in 6.00 12.00 15.00 18.00 24.00 30.00
mm 152.4 304.8 381.0 457.2 609.6 762.0
in 6.20 12.20 15.20 18.20 24.20 30.20
mm 157.5 309.9 386.1 462.3 614.7 767.1
Number of Sprockets 1 4 4 4 6 8
Back-flex Radius 3.00 in (72.6 mm)
Chain Strength lbs 450 800 900 950 1,000 1,300
N 2,002 3,559 4,003 4,226 4,448 5,783
Chain Bottom to Centerline 0.25 in (6.4 mm)
Chain Information Guide Clearance
Chain Height Clearance 0.63 ( -+0.09 0.03 )in 16.0 ( -+2.20 0.07 )mm
Minimum Side-flex Radius (2.0 x Chain Width)
Photo shows 7956 without TABs MatTop® Chain molded in High Performance (HP™) material.
Chain Width
Rexnord® 7956 without TABs MatTop® Chain
7956 without TABs
Chain Pitch 1.25 in (31.8 mm) Available Materials
Prefix
Chain Material
HP™
High Performance
DUV PS® WHP
Plain Acetal Ultraviolet Resistant Platinum Series® White High Performance
Temperature Fahrenheit max min min dry wet Standard Materials Polyester -40 180 150 -40 Made-to-Order Materials Polyester 0 180 150 -18 Polyester -40 180 150 -40 Polyester -40 180 150 -40
Standard Pin Material
Regulatory Information The Food and Drug Administration (FDA) accepts certain materials for direct food contact. FDA approved material is compliant to FDA 21 CFR § 177.
U.S. Patents: 6036001, 4436200
Rexnord® 7956 Series MatTop® Chain Product Portfolio
Approximate Weight lbs/ft2
Kg/m2
FDA Approval
82
66
2.38
11.62
Yes
82 82 82
66 66 66
2.38 2.38 2.38
11.62 11.62 11.62
No Yes Yes
Additional Notes Stocked in 48 pitch, 5 ft (1.524 m) length strands. Open area = 16.0%. Stainless steel pins are standard with the 6 in (152.4 mm) width. Also known as RexFlex™ chain. Chain strength is listed at room temperature. NR = Not Recommended. For additional material information, see material portfolio.
MT - 7956 - 3
Molded-to-Width
Rexnord, RexFlex, MatTop, Platinum Series, HP and PS are trademarks of Rexnord Industries, LLC. All rights reserved.
Celsius max dry wet
Rexnord® 7956 TAB MatTop® Chain
7956 TAB
Chain Drawing DIRECTION OF TRAVEL
Chain Width
Guide Clearance
Chain Height 0.50 in (12.7 mm)
Chain Bottom to Top of TAB 0.92 in (23.2 mm)
Min. Back-flex Radius 3.00 in (72.6 mm)
Chain Information Chain Width desc 6 12 15 18 24 30
in 6.00 12.00 15.00 18.00 24.00 30.00
Guide Clearance mm 152.4 304.8 381.0 457.2 609.6 762.0
in 4.70 10.60 13.50 16.60 22.60 28.60
mm 119.4 269.2 342.9 421.6 574.0 726.4
Number of Sprockets 1 4 4 4 6 8
Chain Strength lbs N 450 2,002 800 3,559 900 4,003 950 4,226 1,000 4,448 1,300 5,783
Chain Bottom to TAB Bottom 1.11 in (28.2 mm)
Photo shows 7956 TAB Molded-to-Width (MTW) MatTop® Chain molded in High Performance (HP™) material.
Chain Bottom to Centerline 0.25 in (6.4 mm)
Minimum Side-flex Radius (2.0 x Chain Width)
Chain Pitch 1.25 in (31.8 mm) Available Materials
Prefix
Chain Material
HP™
High Performance
DUV
Plain Acetal Ultraviolet Resistant
Temperature Fahrenheit max min min dry wet Standard Materials Polyester -40 180 150 -40 Made-to-Order Materials Stainless Steel 0 180 150 -18 Standard Pin Material
Molded-to-Width
Regulatory Information
Celsius max dry wet
Approximate Weight lbs/ft2
Kg/m2
82
66
2.38
11.62
Yes
82
66
2.38
11.62
No
Additional Notes
The Food and Drug Administration (FDA) accepts certain materials for direct food contact. FDA approved material is compliant to FDA 21 CFR § 177.
Stocked in 48 pitch, 5 ft (1.524 m) length strands.
Rexnord, RexFlex, MatTop and HP are trademarks of Rexnord Industries, LLC. All rights reserved.
Stainless steel pins are standard with the 6 in (152.4 mm) width.
U.S. Patents: 6036001, 4436200
FDA Approval
Open area = 16.0%. Also known as RexFlex™ chain. Chain strength is listed at room temperature. NR = Not Recommended. For additional material information, see material portfolio.
MT - 7956 - 4
Rexnord® 7956 Series MatTop® Chain Product Portfolio
NS7956 Thermoplastic Split Sprocket
Length thru Bore 1.88 in (47.6 mm)
Number Of Teeth actual 16 26
Pitch Diameter
Bore Diameter Pitch Diameter Outside Diameter
0.31 in (8.0 mm) Face Width
Outside Diameter
effect in mm in 16 6.407 162.74 6.44 26 10.370 263.40 10.46
mm 163.6 265.7
NS7956 Thermoplastic Split Sprocket Information Bore Diameter (Shaft-Ready) Round Square in mm in mm min max min max min max min max 1 2 1/2 25 60 1 1/2 2 1/2 25 60 1 2 1/2 25 60 1 1/2 2 1/2 40 60
Bore Diameter (Idler) in min 1 1
Approximate Weight
mm max 2 1/2 2 1/2
min 25 25
max 60 60
lbs 0.50 1.00
kg 0.23 0.45
Rexnord® 7956 Series MatTop® Chain Product Portfolio
MT - 7956 - 5
Rexnord® 7956 Series MatTop® Chain Compatible Sprockets
Imperial shaft-ready round bore sprockets are shipped with keyway and setscrew. Metric shaft-ready round bore sprockets are shipped with keyway and no setscrew. Idler bores are designed to spin freely on the shaft. Standard adapter is UHMWPE.
Corner Track (One Piece) Leg 6.0 in (152 mm)
Track Width 4.7 in (119 mm)
Outside Track Radius 17.4 in (442 mm) Track Thickness 0.9 in (23 mm)
Nominal Corner Radius 15.0 in (381 mm)
View A - A Carry
A
Inside Track Radius 12.7 in (323 mm) Leg 6.0 in (152 mm)
A
Track Angle 90.0°
Track Width 4.7 in (119 mm) Track Thickness 0.9 in (23 mm) View A - A Return
Corner Track Corner Track Part Number Number
Rexnord® 7956 Series MatTop® Chain Accessories
114-3106-1 114-3107-1
N15R7 U15R7
Chain Width in 6 6
mm 152.4 152.4
Material
Color
Nylatron® UHMWPE
Black White
Approximate Weight lbs kg 8.18 3.71 8.18 3.71
Nylatron® is a registered trademark of Quadrant Engineering Plastics Products. For 6 in (152.4 mm) chain only.
Corner Track) (Two Piece)
Leg 6.0 in (152 mm)
Outside Track Outside Track Radius 35.4 in (899 mm) Nominal Corner Radius 30.0 in (762 mm)
Width 3.0 in (76 mm)
A
Track Angle 90.0°
View A - A Carry
Inside Track Radius 24.8 in (630 mm) Leg 6.0 in (152 mm)
A
Inside Track
Corner Track Corner eTrack Corner Track Kit Number Kit Number Number
Track Width 10.6 in (269 mm)
Track Thickness 0.9 in (23 mm)
Track Thickness 0.9 in (23 mm)
Chain Width in
614-482-1
114-4284-1 114-4285-2
N30R7 U30R7
12 12
614-483-1
114-4284-2
U30R7
12
Track Width 10.6 in (269 mm)
Track Position
mm Carry 304.8 Outside 304.8 Inside Return 304.8 Outside
View A - A Return
Approximate Weight lbs kg
Material
Color
Nylatron® UHMWPE
Black White
10.30 10.30
4.67 4.67
UHMWPE
White
10.30
4.67
Nylatron® is a registered trademark of Quadrant Engineering Plastics Products. For 12 in (304.8 mm) chain only. MT - 7956 - 6
Rexnord® 7956 Series MatTop® Chain Product Portfolio
Corner Track (Two Piece) Leg 6.0 in (152 mm)
Outside Track Outside Track Radius 44.3 in (1125 mm) Nominal Corner Radius 37.5 in (953 mm)
Width 3.0 in (76 mm)
A
Track Angle 90.0°
Inside Track Radius 30.8 in (782 mm) Leg 6.0 in (152 mm)
A
Inside Track
Corner Track Corner Track Corner Track Part Number Part Number Kit Number 114-3007-1 114-3031-1
U37.5R7 N37.5R7
15 15
614-203-1
114-3007-1
U37.5R7
15
mm Carry 381.0 Inside 381.0 Outside Return 381.0 Inside
View A - A Return
Approximate Weight lbs kg
Material
Color
UHMWPE Nylatron®
White Black
12.73 12.73
5.77 5.77
UHMWPE
White
12.73
5.77
Rexnord® 7956 Series MatTop® Chain Accessories
614-202-1
Track Position
View A - A Carry Track Width 13.5 in (343 mm)
Track Thickness 0.9 in (23 mm)
Chain Width in
Track Width 13.5 in (343 mm)
Track Thickness 0.9 in (23 mm)
Nylatron® is a registered trademark of Quadrant Engineering Plastics Products. For 15 in (381.0 mm) chain only.
Corner Track) (Four Piece)
Outside Track Leg 6.0 in (152 mm)
Outside Track Radius 53.3 in (1354 mm)
Track Width 16.6 in (422 mm)
Track Thickness 0.9 in (23 mm)
Gap Between Each Track 0.1 in (3 mm)
Width 3.0 in (76 mm)
Nominal Corner Radius 45.0 in (1143 mm)
View A - A Carry
A
Inside Track Radius 36.7 in (932 mm)
A
Track Angle 45.0° (Each Track)
Inside Track
Corner Track Corner Track Corner Track Part Number Part Number Number
Leg 6.0 in (152 mm)
Chain Width in
614-377-1
114-3570-1 114-3571-1
U45R7 N45R7
18 18
614-378-1
114-3570-1
U45R7
18
Track Position
mm Carry 457.2 Inside 457.2 Outside Return 457.2 Inside
Track Width 16.6 in (422 mm)
Track Thickness 0.9 in (23 mm)
View A - A Return
Approximate Weight lbs kg
Material
Color
UHMWPE Nylatron®
White Black
16.86 16.86
7.65 7.65
UHMWPE
White
16.86
7.65
Nylatron® is a registered trademark of Quadrant Engineering Plastics Products. For 18 in (152.4 mm) chain only. Rexnord® 7956 Series MatTop® Chain Product Portfolio
MT - 7956 - 7
Corner Track (Four Piece) Outside Track
Track Width 22.6 in (574 mm)
Track Thickness 0.9 in (23 mm)
Outside Track Radius 71.4 in (1814 mm)
Leg 6.0 in (152 mm)
Gap Between Each Track 0.1 in (3 mm)
Width 3.0 in (76 mm)
Nominal Corner Radius 60.0 in (1524 mm)
View A - A Carry
A
Inside Track Radius 48.8 in (1240 mm)
A
Track Angle 45.0° (Each Track)
Inside Track
Rexnord® 7956 Series MatTop® Chain Accessories
Corner Track Corner Track Corner Track Part Number Part Number Number
614-296-1
114-3390-1 114-3392-1
U60R7 N60R7
24 24
614-297-1
114-3390-1 114-3391-1
U60R7 U60R7
24 24
Track Thickness 0.9 in (23 mm)
Leg 6.0 in (152 mm)
Chain Width in
Track Width 22.6 in (574 mm)
Track Position
mm Carry 609.6 Inside 609.6 Outside Return 609.6 Inside 609.6 Outside
View A - A Return
Approximate Weight lbs kg
Material
Color
UHMWPE Nylatron®
White Black
20.40 20.40
9.25 9.25
UHMWPE UHMWPE
White White
20.40 20.40
9.25 9.25
Nylatron® is a registered trademark of Quadrant Engineering Plastics Products. For 24 in (609.6 mm) chain only.
Corner Track) (Six Piece) Outside Track Outside Track Radius 89.4 in (2271 mm) Gap Between Each Track 0.1 in (3 mm)
Leg 6.0 in (152 mm)
Middle Outside Track
Track Angle 30.0° (Each Track)
Track Width 28.6 in (726 mm)
Inside Track Radius 60.8 in (1545 mm) Outside Track
Middle Inside Track
Corner Track Corner Track Corner Track Part Number Part Number Number
View A - A Carry
Width 3.8 in (96 mm)
Nominal Corner Radius 75.0 in (1905 mm)
Inside Track
Track Width 28.6 in (726 mm)
Track Thickness 0.9 in (23 mm)
Inside Track A
Chain Width in
614-404-1
114-4012-1 114-4013-1 114-4016-2 114-4019-2
N75R7 N75R7 U75R7 U75R7
30 30 30 30
614-405-1
114-4012-2 114-4013-2 114-4016-2 114-4019-2
U75R7 U75R7 U75R7 U75R7
30 30 30 30
mm
A
Leg 6.0 in (152 mm)
Track Position
Carry 762.0 Outside 762.0 Middle Outside 762.0 Inside 762.0 Middle Inside Return 762.0 Outside 762.0 Middle Outside 762.0 Inside 762.0 Middle Inside
Track Thickness 0.9 in (23 mm) View A - A Return
Approximate Weight lbs kg
Material
Color
Nylatron® Nylatron® UHMWPE UHMWPE
Black Black White White
32.19 32.19 28.39 28.39
14.60 14.60 12.88 12.88
UHMWPE UHMWPE UHMWPE UHMWPE
White White White White
28.39 28.39 28.39 28.39
12.88 12.88 12.88 12.88
Nylatron® is a registered trademark of Quadrant Engineering Plastics Products. For 30 in (762.0 mm) chain only. MT - 7956 - 8
Rexnord® 7956 Series MatTop® Chain Product Portfolio
7956 B
Chain Drawing DIRECTION OF TRAVEL
Chain Width
Chain Height 0.50 (12.7 mm)
Chain Width desc 6 12 15 18 24 30
in 6.00 12.00 15.00 18.00 24.00 30.00
Guide Clearance mm 152.4 304.8 381.0 457.2 609.6 762.0
in 4.70 10.60 13.50 16.60 22.60 28.60
mm 119.4 269.2 342.9 421.6 574.0 726.4
Number of Sprockets 1 4 4 4 6 8
Chain Bottom to Bearing Bottom 0.61 (15.5 mm)
Chain Information
Chain Bottom to Bearing Top 0.23 (5.8 mm)
Min. Back-flex Radius 3.00 (72.6 mm)
Photo shows 7956 MatTop® Chain with roller bearing attachment molded in High Performance (HP™) material.
Chain Bottom to Centerline 0.25 (6.4 mm)
Min. Side-flex Radius (2x Chain Width)
Chain Strength lbs N 450 2,002 800 3,559 900 4,003 950 4,226 1,000 4,448 1,300 5,783
Chain Pitch 1.25 (31.8 mm) CCW
CW
STURN
Available Materials Prefix
HP™
Chain Material
High Performance
Standard Pin Material
Temperature Fahrenheit max min min dry wet
Standard Materials Polyester -40
180
150
-40
Celsius max dry wet 82
66
Approximate Weight lbs/ft2
Kg/m2
2.38
11.62
FDA Approval
Yes
Additional Notes
The Food and Drug Administration (FDA) accepts certain materials for direct food contact. FDA approved material is compliant to FDA 21 CFR § 177.
Stocked in 48 pitch, 5 ft (1.520 m) length strands. Open area = 16.0% Stainless steel pins are standard with the 6 in (152.4 mm) width. All other widths come with polyester pins. Also known as the RexFlex™. Must specify turn direction i.e. HP7956B-15-ccw. Carbon steel bearings are standard. Stainless steel bearings are available on a made-to-order basis for wet or high pressure wash applications. Chain strength is listed at room temperature. NR = Not Recommended.
Rexnord, RexFlex, MatTop and HP are trademarks of Rexnord Industries, LLC. All rights reserved Patent Pending
Rexnord® 7956 Series MatTop® Chain Product Portfolio
MT - 7956 - 1
Molded-to-Width
Regulatory Information
Rexnord® 7956 GT MatTop® Chain
7956 GT
Chain Drawing Chain Height 0.50 in (12.7 mm)
Chain Information Chain Width desc 6 12 15 18 24 30
in 6.00 12.00 15.00 18.00 24.00 30.00
Guide Clearance mm 152.4 304.8 381.0 457.2 609.6 762.0
in 4.44 10.38 13.31 16.31 22.31 28.38
mm 112.8 263.7 338.1 414.3 566.7 720.9
Number of Sprockets 1 4 4 4 6 8
Guide Top to Chain Bottom 0.22 in (5.6 mm)
Min. Backflex Radius 3.00 in (72.6 mm)
Photo shows 7956 MatTop® Chain with Guide Tabs molded in High Performance (HP™) material.
Chain Bottom to Centerline 0.25 in (6.4 mm)
Min. Side-flex Radius (2x Chain Width)
Chain Bottom to Guide Bottom 0.60 in (15.2 mm)
Chain Width
DIRECTION OF TRAVEL
Chain Strength lbs 450 800 900 950 1,000 1,300
N 2,002 3,559 4,003 4,226 4,448 5,783
Chain Pitch 1.25 in (31.8 mm) CCW
CW
STURN
Available Materials Prefix
Molded-to-Width
HP™
Chain Material
High Performance
Temperature Fahrenheit max min min dry wet Standard Materials Polyester -40 180 150 -40
Standard Pin Material
Celsius max dry wet 82
66
Approximate Weight lbs/ft2
Kg/m2
2.20
10.74
FDA Approval
Yes
Regulatory Information
Additional Notes
The Food and Drug Administration (FDA) accepts certain materials for direct food contact. FDA approved material is compliant to FDA 21 CFR § 177.
Stocked in 48 pitch, 5 ft (1.520 m) length strands. Open area = 16.0% Stainless steel pins are standard with the 6 in (152.4 mm) width. All other widths come with polyester pins. Also known as the RexFlex™. Must specify turn direction i.e. HP7956B-15-ccw. Carbon steel bearings are standard. Stainless steel bearings are available on a made-to-order basis for wet or high pressure wash applications. Chain strength is listed at room temperature. NR = Not Recommended.
Rexnord, RexFlex, MatTop and HP are trademarks of Rexnord Industries, LLC. All rights reserved Patent Pending
MT - 7956 - 2
Rexnord® 7956 Series MatTop® Chain Product Portfolio
Chain Drawing Chain Height 0.50 in (12.7 mm)
Chain Width
Guide Width Clearance
DIRECTION OF TRAVEL
desc 6 12 15 18 24 30
in 6.00 12.00 15.00 18.00 24.00 30.00
mm 152.4 304.8 381.0 457.2 609.6 762.0
in 6.20 12.20 15.20 18.20 24.20 30.20
mm 157.5 309.9 386.1 462.3 614.7 767.1
Number of Sprockets 1 4 4 4 6 8
Back-flex Radius 3.00 in (72.6 mm)
Chain Strength lbs 450 800 900 950 1,000 1,300
N 2,002 3,559 4,003 4,226 4,448 5,783
Chain Bottom to Centerline 0.25 in (6.4 mm)
Chain Information Guide Clearance
Chain Height Clearance 0.63 ( -+0.09 0.03 )in 16.0 ( -+2.20 0.07 )mm
Minimum Side-flex Radius (2.0 x Chain Width)
Photo shows 7956 without TABs MatTop® Chain molded in High Performance (HP™) material.
Chain Width
Rexnord® 7956 without TABs MatTop® Chain
7956 without TABs
Chain Pitch 1.25 in (31.8 mm) Available Materials
Prefix
Chain Material
HP™
High Performance
DUV PS® WHP
Plain Acetal Ultraviolet Resistant Platinum Series® White High Performance
Temperature Fahrenheit max min min dry wet Standard Materials Polyester -40 180 150 -40 Made-to-Order Materials Polyester 0 180 150 -18 Polyester -40 180 150 -40 Polyester -40 180 150 -40
Standard Pin Material
Regulatory Information The Food and Drug Administration (FDA) accepts certain materials for direct food contact. FDA approved material is compliant to FDA 21 CFR § 177.
U.S. Patents: 6036001, 4436200
Rexnord® 7956 Series MatTop® Chain Product Portfolio
Approximate Weight lbs/ft2
Kg/m2
FDA Approval
82
66
2.38
11.62
Yes
82 82 82
66 66 66
2.38 2.38 2.38
11.62 11.62 11.62
No Yes Yes
Additional Notes Stocked in 48 pitch, 5 ft (1.524 m) length strands. Open area = 16.0%. Stainless steel pins are standard with the 6 in (152.4 mm) width. Also known as RexFlex™ chain. Chain strength is listed at room temperature. NR = Not Recommended. For additional material information, see material portfolio.
MT - 7956 - 3
Molded-to-Width
Rexnord, RexFlex, MatTop, Platinum Series, HP and PS are trademarks of Rexnord Industries, LLC. All rights reserved.
Celsius max dry wet
Rexnord® 7956 TAB MatTop® Chain
7956 TAB
Chain Drawing DIRECTION OF TRAVEL
Chain Width
Guide Clearance
Chain Height 0.50 in (12.7 mm)
Chain Bottom to Top of TAB 0.92 in (23.2 mm)
Min. Back-flex Radius 3.00 in (72.6 mm)
Chain Information Chain Width desc 6 12 15 18 24 30
in 6.00 12.00 15.00 18.00 24.00 30.00
Guide Clearance mm 152.4 304.8 381.0 457.2 609.6 762.0
in 4.70 10.60 13.50 16.60 22.60 28.60
mm 119.4 269.2 342.9 421.6 574.0 726.4
Number of Sprockets 1 4 4 4 6 8
Chain Strength lbs N 450 2,002 800 3,559 900 4,003 950 4,226 1,000 4,448 1,300 5,783
Chain Bottom to TAB Bottom 1.11 in (28.2 mm)
Photo shows 7956 TAB Molded-to-Width (MTW) MatTop® Chain molded in High Performance (HP™) material.
Chain Bottom to Centerline 0.25 in (6.4 mm)
Minimum Side-flex Radius (2.0 x Chain Width)
Chain Pitch 1.25 in (31.8 mm) Available Materials
Prefix
Chain Material
HP™
High Performance
DUV
Plain Acetal Ultraviolet Resistant
Temperature Fahrenheit max min min dry wet Standard Materials Polyester -40 180 150 -40 Made-to-Order Materials Stainless Steel 0 180 150 -18 Standard Pin Material
Molded-to-Width
Regulatory Information
Celsius max dry wet
Approximate Weight lbs/ft2
Kg/m2
82
66
2.38
11.62
Yes
82
66
2.38
11.62
No
Additional Notes
The Food and Drug Administration (FDA) accepts certain materials for direct food contact. FDA approved material is compliant to FDA 21 CFR § 177.
Stocked in 48 pitch, 5 ft (1.524 m) length strands.
Rexnord, RexFlex, MatTop and HP are trademarks of Rexnord Industries, LLC. All rights reserved.
Stainless steel pins are standard with the 6 in (152.4 mm) width.
U.S. Patents: 6036001, 4436200
FDA Approval
Open area = 16.0%. Also known as RexFlex™ chain. Chain strength is listed at room temperature. NR = Not Recommended. For additional material information, see material portfolio.
MT - 7956 - 4
Rexnord® 7956 Series MatTop® Chain Product Portfolio
NS7956 Thermoplastic Split Sprocket
Length thru Bore 1.88 in (47.6 mm)
Number Of Teeth actual 16 26
Pitch Diameter
Bore Diameter Pitch Diameter Outside Diameter
0.31 in (8.0 mm) Face Width
Outside Diameter
effect in mm in 16 6.407 162.74 6.44 26 10.370 263.40 10.46
mm 163.6 265.7
NS7956 Thermoplastic Split Sprocket Information Bore Diameter (Shaft-Ready) Round Square in mm in mm min max min max min max min max 1 2 1/2 25 60 1 1/2 2 1/2 25 60 1 2 1/2 25 60 1 1/2 2 1/2 40 60
Bore Diameter (Idler) in min 1 1
Approximate Weight
mm max 2 1/2 2 1/2
min 25 25
max 60 60
lbs 0.50 1.00
kg 0.23 0.45
Rexnord® 7956 Series MatTop® Chain Product Portfolio
MT - 7956 - 5
Rexnord® 7956 Series MatTop® Chain Compatible Sprockets
Imperial shaft-ready round bore sprockets are shipped with keyway and setscrew. Metric shaft-ready round bore sprockets are shipped with keyway and no setscrew. Idler bores are designed to spin freely on the shaft. Standard adapter is UHMWPE.
Corner Track (One Piece) Leg 6.0 in (152 mm)
Track Width 4.7 in (119 mm)
Outside Track Radius 17.4 in (442 mm) Track Thickness 0.9 in (23 mm)
Nominal Corner Radius 15.0 in (381 mm)
View A - A Carry
A
Inside Track Radius 12.7 in (323 mm) Leg 6.0 in (152 mm)
A
Track Angle 90.0°
Track Width 4.7 in (119 mm) Track Thickness 0.9 in (23 mm) View A - A Return
Corner Track Corner Track Part Number Number
Rexnord® 7956 Series MatTop® Chain Accessories
114-3106-1 114-3107-1
N15R7 U15R7
Chain Width in 6 6
mm 152.4 152.4
Material
Color
Nylatron® UHMWPE
Black White
Approximate Weight lbs kg 8.18 3.71 8.18 3.71
Nylatron® is a registered trademark of Quadrant Engineering Plastics Products. For 6 in (152.4 mm) chain only.
Corner Track) (Two Piece)
Leg 6.0 in (152 mm)
Outside Track Outside Track Radius 35.4 in (899 mm) Nominal Corner Radius 30.0 in (762 mm)
Width 3.0 in (76 mm)
A
Track Angle 90.0°
View A - A Carry
Inside Track Radius 24.8 in (630 mm) Leg 6.0 in (152 mm)
A
Inside Track
Corner Track Corner eTrack Corner Track Kit Number Kit Number Number
Track Width 10.6 in (269 mm)
Track Thickness 0.9 in (23 mm)
Track Thickness 0.9 in (23 mm)
Chain Width in
614-482-1
114-4284-1 114-4285-2
N30R7 U30R7
12 12
614-483-1
114-4284-2
U30R7
12
Track Width 10.6 in (269 mm)
Track Position
mm Carry 304.8 Outside 304.8 Inside Return 304.8 Outside
View A - A Return
Approximate Weight lbs kg
Material
Color
Nylatron® UHMWPE
Black White
10.30 10.30
4.67 4.67
UHMWPE
White
10.30
4.67
Nylatron® is a registered trademark of Quadrant Engineering Plastics Products. For 12 in (304.8 mm) chain only. MT - 7956 - 6
Rexnord® 7956 Series MatTop® Chain Product Portfolio
Corner Track (Two Piece) Leg 6.0 in (152 mm)
Outside Track Outside Track Radius 44.3 in (1125 mm) Nominal Corner Radius 37.5 in (953 mm)
Width 3.0 in (76 mm)
A
Track Angle 90.0°
Inside Track Radius 30.8 in (782 mm) Leg 6.0 in (152 mm)
A
Inside Track
Corner Track Corner Track Corner Track Part Number Part Number Kit Number 114-3007-1 114-3031-1
U37.5R7 N37.5R7
15 15
614-203-1
114-3007-1
U37.5R7
15
mm Carry 381.0 Inside 381.0 Outside Return 381.0 Inside
View A - A Return
Approximate Weight lbs kg
Material
Color
UHMWPE Nylatron®
White Black
12.73 12.73
5.77 5.77
UHMWPE
White
12.73
5.77
Rexnord® 7956 Series MatTop® Chain Accessories
614-202-1
Track Position
View A - A Carry Track Width 13.5 in (343 mm)
Track Thickness 0.9 in (23 mm)
Chain Width in
Track Width 13.5 in (343 mm)
Track Thickness 0.9 in (23 mm)
Nylatron® is a registered trademark of Quadrant Engineering Plastics Products. For 15 in (381.0 mm) chain only.
Corner Track) (Four Piece)
Outside Track Leg 6.0 in (152 mm)
Outside Track Radius 53.3 in (1354 mm)
Track Width 16.6 in (422 mm)
Track Thickness 0.9 in (23 mm)
Gap Between Each Track 0.1 in (3 mm)
Width 3.0 in (76 mm)
Nominal Corner Radius 45.0 in (1143 mm)
View A - A Carry
A
Inside Track Radius 36.7 in (932 mm)
A
Track Angle 45.0° (Each Track)
Inside Track
Corner Track Corner Track Corner Track Part Number Part Number Number
Leg 6.0 in (152 mm)
Chain Width in
614-377-1
114-3570-1 114-3571-1
U45R7 N45R7
18 18
614-378-1
114-3570-1
U45R7
18
Track Position
mm Carry 457.2 Inside 457.2 Outside Return 457.2 Inside
Track Width 16.6 in (422 mm)
Track Thickness 0.9 in (23 mm)
View A - A Return
Approximate Weight lbs kg
Material
Color
UHMWPE Nylatron®
White Black
16.86 16.86
7.65 7.65
UHMWPE
White
16.86
7.65
Nylatron® is a registered trademark of Quadrant Engineering Plastics Products. For 18 in (152.4 mm) chain only. Rexnord® 7956 Series MatTop® Chain Product Portfolio
MT - 7956 - 7
Corner Track (Four Piece) Outside Track
Track Width 22.6 in (574 mm)
Track Thickness 0.9 in (23 mm)
Outside Track Radius 71.4 in (1814 mm)
Leg 6.0 in (152 mm)
Gap Between Each Track 0.1 in (3 mm)
Width 3.0 in (76 mm)
Nominal Corner Radius 60.0 in (1524 mm)
View A - A Carry
A
Inside Track Radius 48.8 in (1240 mm)
A
Track Angle 45.0° (Each Track)
Inside Track
Rexnord® 7956 Series MatTop® Chain Accessories
Corner Track Corner Track Corner Track Part Number Part Number Number
614-296-1
114-3390-1 114-3392-1
U60R7 N60R7
24 24
614-297-1
114-3390-1 114-3391-1
U60R7 U60R7
24 24
Track Thickness 0.9 in (23 mm)
Leg 6.0 in (152 mm)
Chain Width in
Track Width 22.6 in (574 mm)
Track Position
mm Carry 609.6 Inside 609.6 Outside Return 609.6 Inside 609.6 Outside
View A - A Return
Approximate Weight lbs kg
Material
Color
UHMWPE Nylatron®
White Black
20.40 20.40
9.25 9.25
UHMWPE UHMWPE
White White
20.40 20.40
9.25 9.25
Nylatron® is a registered trademark of Quadrant Engineering Plastics Products. For 24 in (609.6 mm) chain only.
Corner Track) (Six Piece) Outside Track Outside Track Radius 89.4 in (2271 mm) Gap Between Each Track 0.1 in (3 mm)
Leg 6.0 in (152 mm)
Middle Outside Track
Track Angle 30.0° (Each Track)
Track Width 28.6 in (726 mm)
Inside Track Radius 60.8 in (1545 mm) Outside Track
Middle Inside Track
Corner Track Corner Track Corner Track Part Number Part Number Number
View A - A Carry
Width 3.8 in (96 mm)
Nominal Corner Radius 75.0 in (1905 mm)
Inside Track
Track Width 28.6 in (726 mm)
Track Thickness 0.9 in (23 mm)
Inside Track A
Chain Width in
614-404-1
114-4012-1 114-4013-1 114-4016-2 114-4019-2
N75R7 N75R7 U75R7 U75R7
30 30 30 30
614-405-1
114-4012-2 114-4013-2 114-4016-2 114-4019-2
U75R7 U75R7 U75R7 U75R7
30 30 30 30
mm
A
Leg 6.0 in (152 mm)
Track Position
Carry 762.0 Outside 762.0 Middle Outside 762.0 Inside 762.0 Middle Inside Return 762.0 Outside 762.0 Middle Outside 762.0 Inside 762.0 Middle Inside
Track Thickness 0.9 in (23 mm) View A - A Return
Approximate Weight lbs kg
Material
Color
Nylatron® Nylatron® UHMWPE UHMWPE
Black Black White White
32.19 32.19 28.39 28.39
14.60 14.60 12.88 12.88
UHMWPE UHMWPE UHMWPE UHMWPE
White White White White
28.39 28.39 28.39 28.39
12.88 12.88 12.88 12.88
Nylatron® is a registered trademark of Quadrant Engineering Plastics Products. For 30 in (762.0 mm) chain only. MT - 7956 - 8
Rexnord® 7956 Series MatTop® Chain Product Portfolio
