R exnord ® 831 TableTop ® Chain Straight R unning
Rexnord® 831 TableTop® Chain
831
Chain Drawing Thickness 0.19 in (4.8 mm)
Chain Width desc in mm 3 1/4 3.25 82.6 4 1/2 4.50 114.3 7 1/2 7.50 190.5
Chain Information Min. Side-flex Radius in mm -
Approximate Weight lbs/ft kg/m 0.61 0.91 0.75 1.12 1.08 1.61
Chain Pitch 1.50 in (38.1 mm)
Guide Clearance 1.75 in (44.5 mm)
Height Over Centerline 0.29 in (7.4 mm)
Min. Back-flex Radius 1.50 in (38.1 mm)
Photo shows 831 TableTop® Chain molded in Low Friction (LF) material.
Plate Bottom to Chain Bottom 0.38 in (9.7 mm)
Overall Width 1.64 in (41.7 mm)
Chain Width
DIRECTION OF TRAVEL
Pin Diameter 0.25 in (6.4 mm)
Available Materials Prefix
Chain Material
HP™ LF MLF
High Performance Low Friction Medium Duty Low Friction
AS BWR CR D FR MR P PS® WHP WX
Anti-Static Black Wear Resistant Extreme Chemical Resistant Plain Acetal Flame Retardant Melt Resistant Chemical Resistant Platinum Series® White High Performance Green Abrasion Resistant Polyamide
Temperature Fahrenheit max min min dry wet Standard Materials Stainless Steel -40 180 150 -40 Stainless Steel -40 180 150 -40 Stainless Steel -40 180 150 -40 Made-to-Order Materials Stainless Steel 0 180 NR -18 Stainless Steel -40 180 NR -40 Stainless Steel 40 240 212 4 Stainless Steel -40 180 150 -40 Stainless Steel 0 180 140 -18 Stainless Steel -80 220 NR -62 Stainless Steel 0 180 140 -18 Stainless Steel -40 180 150 -40 Stainless Steel -40 180 150 -40 Stainless Steel -40 220 NR -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.
Rexnord® 831 Series TableTop® Chain Product Portfolio
Chain Strength lbs
N
FDA Approval
82 82 82
66 66 66
365 365 365
1,624 1,624 1,624
Yes Yes No
82 82 116 82 82 104 82 82 82 104
NR NR 100 66 60 NR 60 66 66 NR
219 438 292 365 219 365 292 365 365 365
974 1,948 1,299 1,624 974 1,624 1,299 1,624 1,624 1,624
No No Yes No No No Yes Yes Yes No
Additional Notes Stocked in 80 pitch, 10 ft (3.048 m) length strands. Thermoplastic pins are available on a made-to-order basis. Chain strength is listed at room temperature. NR = Not Recommended. For additional material information, see material portfolio.
TT - 831 - 1
Straight Running
Rexnord, Platinum Series, HP and PS are trademarks of Rexnord Industries, LLC. All rights reserved.
Celsius max dry wet
Chain Drawing
Plate Bottom to Chain Top 0.76 in (19.3 mm)
Chain Width desc in mm 3 1/4 3.25 82.6
Chain Information Min. Side-flex Radius in mm -
Guide Clearance 1.75 in (44.5 mm)
Overall Width 1.66 in (42.1 mm)
Overall Chain Height 1.13 in (28.7 mm)
Photo shows MCC® SHD LBP TableTop® Chain molded in Internally Lubricated Polyacetal (XLA) material.
Back-flex Radius 15.75 in (400.0 mm)
Pin Diameter 0.25 in (6.35 mm)
Chain Width 3.25 in (82.5 mm)
DIRECTION OF TRAVEL
Height Over Centerline 0.89 in (22.6 mm)
MCC® SHD TableTop® Chain with Low Backline Pressure Rollers (LBP)
SHD LBP
Approximate Weight lbs/ft kg/m 1.48 2.21 Chain Pitch 1.50 in (38.1 mm)
Available Materials Prefix
XLA
Chain Material
Internally Lubricated Polyacetal
Temperature Fahrenheit max min min dry wet Standard Materials Stainless Steel -40 180 150 -40 Standard Pin Material
Regulatory Information
Straight Running
The Food and Drug Administration (FDA) accepts certain materials for direct food contact. FDA approved material is compliant to FDA 21 CFR § 177. Rexnord, MCC, and TableTop are trademarks of Rexnord Industries, LLC. All rights reserved.
Celsius max dry wet 82
66
Chain Strength lbs
N
365
1,624
FDA Approval
Yes
Additional Notes Stocked in 40 pitch, 5 ft (1.524 m) length strands. Thermoplastic pins are available on a made-to-order basis. Chain strength is listed at room temperature. NR = Not Recommended. For additional material information, see material portfolio.
TT - 831 - 2
Rexnord® 831 Series TableTop® Chain Product Portfolio
820 Semi-Steel Block Body Sprocket
Number Of Teeth effect 9 1/2 10 10 1/2 11 11 1/2 12 12 1/2 13 1/2 14 1/2 15 1/2 20 1/2
Pitch Diameter in 4.622 4.854 5.089 5.324 5.560 5.796 6.032 4.622 6.978 7.452 9.826
mm 117.40 123.29 129.26 135.23 141.22 147.22 153.21 117.40 177.24 189.28 249.58
Outside Diameter in 4.61 4.86 5.12 5.35 5.59 5.83 6.07 6.56 7.05 7.53 9.93
mm 117.1 123.4 130.0 135.9 142.0 148.1 154.2 166.6 179.1 191.3 252.2
min 1 1 1 1 1 1 1 1 1 1 1
Shipped as an 815 semi-steel grooved block body sprocket
1.68 in (42.7 mm) Face Width
820 Semi-Steel Arm Body Sprocket Information Bore Diameter (Shaft-Ready) Round Square in mm in mm max min max min max min max 1 1/4 20 30 1 1/4 20 30 1 3/4 20 45 1 3/4 20 45 1 3/4 20 45 1 3/4 20 45 1 3/4 20 45 1 3/4 20 45 1 3/4 20 45 1 3/4 20 45 2 1/2 20 65 -
Length thru Bore 2.00 in (50.8 mm)
Bore Diameter (Round) in min 1 1 1 1 1 1 1 1 1 1 1
mm max 1 1/4 1 1/4 1 3/4 1 3/4 1 3/4 1 3/4 1 3/4 1 3/4 1 3/4 1 3/4 2 1/2
min 20 20 20 20 20 20 20 20 20 20 20
max 30 30 45 45 45 45 45 45 45 45 65
Approximate Weight lbs 3.28 3.81 4.63 5.12 5.31 5.41 5.57 6.50 6.72 6.86 16.23
kg 1.49 1.73 2.10 2.32 2.41 2.45 2.53 2.95 3.05 3.11 7.36
Shaft-ready round bore sprockets are shipped with keyway and setscrew.
Number Of Teeth
Pitch Diameter
actual effect 13 6 1/2 15 7 1/2 17 8 1/2 21 10 1/2 25 12 1/2
in mm 3.228 81.99 3.688 93.68 4.152 105.46 5.089 129.26 6.032 153.21
Outside Diameter in 3.11 3.63 4.12 5.12 6.07
mm 79.0 92.2 104.6 130.0 154.2
min 1 1 1 1 1
820 Semi-Steel Block Body Sprocket Information Bore Diameter (Shaft-Ready) Round Square in mm in mm max min max min max min max 1 1/4 20 30 1 1/4 20 30 1 11/16 20 40 2 11/16 20 70 3 7/16 20 90 -
Bore Diameter (Round) in min 1 1 1 1 1
mm
max 1 1/4 1 1/4 1 11/16 2 11/16 3 7/16
min 20 20 20 20 20
max 30 30 40 70 90
Approximate Weight lbs 2.45 3.57 4.83 4.63 5.57
kg 1.11 1.62 2.19 2.10 2.53
Shaft-ready round bore sprockets are shipped with keyway and setscrew.
Number Of Teeth actual 21 23 25 27
effect 10 1/2 11 1/2 12 1/2 13 1/2
Pitch Diameter in 5.089 5.560 6.032 6.504
mm 129.26 141.22 153.21 165.20
Outside Diameter in 5.12 5.59 6.07 6.56
mm 130.0 142.0 154.2 166.6
min 1 1 1 1
NS820 Thermoplastic Split Sprocket Information Bore Diameter (Shaft-Ready) Round Square in mm in mm max min max min max min max 1 5/8 25 40 1 5/8 25 40 2 25 50 1 5/8 25 40 -
Bore Diameter (Idler) in min 1 1 1 1
Approximate Weight
mm max 1 5/8 1 5/8 2 1 5/8
min 25 25 25 25
max 40 40 50 40
lbs 1.01 1.19 1.39 1.76
kg 0.46 0.54 0.63 0.80
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.
Rexnord® 831 Series TableTop® Chain Product Portfolio
TT - 831 - 3
Rexnord® 831 Series TableTop® Chain Compatible Sprockets
actual 19 20 21 22 23 24 25 27 29 31 41
Face Width 1.68 in (42.7 mm)
1.68 in (42.7 mm) Face Width and Length thru Bore
Bore Diameter Pitch Diameter Outside Diameter
Shipped as an 815 semi-steel grooved army body sprocket
Bore Diameter Pitch Diameter Outside Diameter
1.50 in (38.1 mm) Length thru Bore
NS820 Thermoplastic Split Sprocket
Bore Diameter Pitch Diameter Outside Diameter
820 Semi-Steel Arm Body Sprocket
815/820 Idler Wheel
Outside Diameter
Face Width 2.44 in (62.0 mm)
Bore Diameter
2.19 in (55.6 mm) Length thru Bore
815/820 Idler Wheel Imperial Information Equivalent Tooth Size 21 23 25 27
Outside Diameter in 5.11 5.60 6.09 6.56
mm 129.8 142.2 154.7 166.6
Approximate Weight
Imperial Bore Diameter (Idler) 7/8 7/8 7/8 -
in 1 3/16 1 3/16 1 3/16 -
1 1 1 -
1 1/4 1 1/4 1 1/4 1 1/4
1 1/2 1 1/2 1 1/2 -
lbs 0.49 0.59 0.66 0.70
kg 0.22 0.27 0.30 0.32
Rexnord® 831 Series TableTop® Chain Compatible Sprockets
Idler wheels are designed to spin freely on the shaft. 27 tooth idler wheel is available on a made-to-order basis and is subject to minimum order requirements.
815/820 Idler Wheel Metric Information Equivalent Tooth Size 21 23 25
Outside Diameter in 5.11 5.60 6.09
mm 129.8 142.2 154.7
Approximate Weight
Metric Bore Diameter (Idler) mm 25 25 25
30 30 30
35 35 35
40 40 40
lbs 0.49 0.59 0.66
kg 0.22 0.27 0.30
Idler wheels are designed to spin freely on the shaft.
TT - 831 - 4
Rexnord® 831 Series TableTop® Chain Product Portfolio
831
Chain Drawing Thickness 0.19 in (4.8 mm)
Chain Width desc in mm 3 1/4 3.25 82.6 4 1/2 4.50 114.3 7 1/2 7.50 190.5
Chain Information Min. Side-flex Radius in mm -
Approximate Weight lbs/ft kg/m 0.61 0.91 0.75 1.12 1.08 1.61
Chain Pitch 1.50 in (38.1 mm)
Guide Clearance 1.75 in (44.5 mm)
Height Over Centerline 0.29 in (7.4 mm)
Min. Back-flex Radius 1.50 in (38.1 mm)
Photo shows 831 TableTop® Chain molded in Low Friction (LF) material.
Plate Bottom to Chain Bottom 0.38 in (9.7 mm)
Overall Width 1.64 in (41.7 mm)
Chain Width
DIRECTION OF TRAVEL
Pin Diameter 0.25 in (6.4 mm)
Available Materials Prefix
Chain Material
HP™ LF MLF
High Performance Low Friction Medium Duty Low Friction
AS BWR CR D FR MR P PS® WHP WX
Anti-Static Black Wear Resistant Extreme Chemical Resistant Plain Acetal Flame Retardant Melt Resistant Chemical Resistant Platinum Series® White High Performance Green Abrasion Resistant Polyamide
Temperature Fahrenheit max min min dry wet Standard Materials Stainless Steel -40 180 150 -40 Stainless Steel -40 180 150 -40 Stainless Steel -40 180 150 -40 Made-to-Order Materials Stainless Steel 0 180 NR -18 Stainless Steel -40 180 NR -40 Stainless Steel 40 240 212 4 Stainless Steel -40 180 150 -40 Stainless Steel 0 180 140 -18 Stainless Steel -80 220 NR -62 Stainless Steel 0 180 140 -18 Stainless Steel -40 180 150 -40 Stainless Steel -40 180 150 -40 Stainless Steel -40 220 NR -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.
Rexnord® 831 Series TableTop® Chain Product Portfolio
Chain Strength lbs
N
FDA Approval
82 82 82
66 66 66
365 365 365
1,624 1,624 1,624
Yes Yes No
82 82 116 82 82 104 82 82 82 104
NR NR 100 66 60 NR 60 66 66 NR
219 438 292 365 219 365 292 365 365 365
974 1,948 1,299 1,624 974 1,624 1,299 1,624 1,624 1,624
No No Yes No No No Yes Yes Yes No
Additional Notes Stocked in 80 pitch, 10 ft (3.048 m) length strands. Thermoplastic pins are available on a made-to-order basis. Chain strength is listed at room temperature. NR = Not Recommended. For additional material information, see material portfolio.
TT - 831 - 1
Straight Running
Rexnord, Platinum Series, HP and PS are trademarks of Rexnord Industries, LLC. All rights reserved.
Celsius max dry wet
Chain Drawing
Plate Bottom to Chain Top 0.76 in (19.3 mm)
Chain Width desc in mm 3 1/4 3.25 82.6
Chain Information Min. Side-flex Radius in mm -
Guide Clearance 1.75 in (44.5 mm)
Overall Width 1.66 in (42.1 mm)
Overall Chain Height 1.13 in (28.7 mm)
Photo shows MCC® SHD LBP TableTop® Chain molded in Internally Lubricated Polyacetal (XLA) material.
Back-flex Radius 15.75 in (400.0 mm)
Pin Diameter 0.25 in (6.35 mm)
Chain Width 3.25 in (82.5 mm)
DIRECTION OF TRAVEL
Height Over Centerline 0.89 in (22.6 mm)
MCC® SHD TableTop® Chain with Low Backline Pressure Rollers (LBP)
SHD LBP
Approximate Weight lbs/ft kg/m 1.48 2.21 Chain Pitch 1.50 in (38.1 mm)
Available Materials Prefix
XLA
Chain Material
Internally Lubricated Polyacetal
Temperature Fahrenheit max min min dry wet Standard Materials Stainless Steel -40 180 150 -40 Standard Pin Material
Regulatory Information
Straight Running
The Food and Drug Administration (FDA) accepts certain materials for direct food contact. FDA approved material is compliant to FDA 21 CFR § 177. Rexnord, MCC, and TableTop are trademarks of Rexnord Industries, LLC. All rights reserved.
Celsius max dry wet 82
66
Chain Strength lbs
N
365
1,624
FDA Approval
Yes
Additional Notes Stocked in 40 pitch, 5 ft (1.524 m) length strands. Thermoplastic pins are available on a made-to-order basis. Chain strength is listed at room temperature. NR = Not Recommended. For additional material information, see material portfolio.
TT - 831 - 2
Rexnord® 831 Series TableTop® Chain Product Portfolio
820 Semi-Steel Block Body Sprocket
Number Of Teeth effect 9 1/2 10 10 1/2 11 11 1/2 12 12 1/2 13 1/2 14 1/2 15 1/2 20 1/2
Pitch Diameter in 4.622 4.854 5.089 5.324 5.560 5.796 6.032 4.622 6.978 7.452 9.826
mm 117.40 123.29 129.26 135.23 141.22 147.22 153.21 117.40 177.24 189.28 249.58
Outside Diameter in 4.61 4.86 5.12 5.35 5.59 5.83 6.07 6.56 7.05 7.53 9.93
mm 117.1 123.4 130.0 135.9 142.0 148.1 154.2 166.6 179.1 191.3 252.2
min 1 1 1 1 1 1 1 1 1 1 1
Shipped as an 815 semi-steel grooved block body sprocket
1.68 in (42.7 mm) Face Width
820 Semi-Steel Arm Body Sprocket Information Bore Diameter (Shaft-Ready) Round Square in mm in mm max min max min max min max 1 1/4 20 30 1 1/4 20 30 1 3/4 20 45 1 3/4 20 45 1 3/4 20 45 1 3/4 20 45 1 3/4 20 45 1 3/4 20 45 1 3/4 20 45 1 3/4 20 45 2 1/2 20 65 -
Length thru Bore 2.00 in (50.8 mm)
Bore Diameter (Round) in min 1 1 1 1 1 1 1 1 1 1 1
mm max 1 1/4 1 1/4 1 3/4 1 3/4 1 3/4 1 3/4 1 3/4 1 3/4 1 3/4 1 3/4 2 1/2
min 20 20 20 20 20 20 20 20 20 20 20
max 30 30 45 45 45 45 45 45 45 45 65
Approximate Weight lbs 3.28 3.81 4.63 5.12 5.31 5.41 5.57 6.50 6.72 6.86 16.23
kg 1.49 1.73 2.10 2.32 2.41 2.45 2.53 2.95 3.05 3.11 7.36
Shaft-ready round bore sprockets are shipped with keyway and setscrew.
Number Of Teeth
Pitch Diameter
actual effect 13 6 1/2 15 7 1/2 17 8 1/2 21 10 1/2 25 12 1/2
in mm 3.228 81.99 3.688 93.68 4.152 105.46 5.089 129.26 6.032 153.21
Outside Diameter in 3.11 3.63 4.12 5.12 6.07
mm 79.0 92.2 104.6 130.0 154.2
min 1 1 1 1 1
820 Semi-Steel Block Body Sprocket Information Bore Diameter (Shaft-Ready) Round Square in mm in mm max min max min max min max 1 1/4 20 30 1 1/4 20 30 1 11/16 20 40 2 11/16 20 70 3 7/16 20 90 -
Bore Diameter (Round) in min 1 1 1 1 1
mm
max 1 1/4 1 1/4 1 11/16 2 11/16 3 7/16
min 20 20 20 20 20
max 30 30 40 70 90
Approximate Weight lbs 2.45 3.57 4.83 4.63 5.57
kg 1.11 1.62 2.19 2.10 2.53
Shaft-ready round bore sprockets are shipped with keyway and setscrew.
Number Of Teeth actual 21 23 25 27
effect 10 1/2 11 1/2 12 1/2 13 1/2
Pitch Diameter in 5.089 5.560 6.032 6.504
mm 129.26 141.22 153.21 165.20
Outside Diameter in 5.12 5.59 6.07 6.56
mm 130.0 142.0 154.2 166.6
min 1 1 1 1
NS820 Thermoplastic Split Sprocket Information Bore Diameter (Shaft-Ready) Round Square in mm in mm max min max min max min max 1 5/8 25 40 1 5/8 25 40 2 25 50 1 5/8 25 40 -
Bore Diameter (Idler) in min 1 1 1 1
Approximate Weight
mm max 1 5/8 1 5/8 2 1 5/8
min 25 25 25 25
max 40 40 50 40
lbs 1.01 1.19 1.39 1.76
kg 0.46 0.54 0.63 0.80
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.
Rexnord® 831 Series TableTop® Chain Product Portfolio
TT - 831 - 3
Rexnord® 831 Series TableTop® Chain Compatible Sprockets
actual 19 20 21 22 23 24 25 27 29 31 41
Face Width 1.68 in (42.7 mm)
1.68 in (42.7 mm) Face Width and Length thru Bore
Bore Diameter Pitch Diameter Outside Diameter
Shipped as an 815 semi-steel grooved army body sprocket
Bore Diameter Pitch Diameter Outside Diameter
1.50 in (38.1 mm) Length thru Bore
NS820 Thermoplastic Split Sprocket
Bore Diameter Pitch Diameter Outside Diameter
820 Semi-Steel Arm Body Sprocket
815/820 Idler Wheel
Outside Diameter
Face Width 2.44 in (62.0 mm)
Bore Diameter
2.19 in (55.6 mm) Length thru Bore
815/820 Idler Wheel Imperial Information Equivalent Tooth Size 21 23 25 27
Outside Diameter in 5.11 5.60 6.09 6.56
mm 129.8 142.2 154.7 166.6
Approximate Weight
Imperial Bore Diameter (Idler) 7/8 7/8 7/8 -
in 1 3/16 1 3/16 1 3/16 -
1 1 1 -
1 1/4 1 1/4 1 1/4 1 1/4
1 1/2 1 1/2 1 1/2 -
lbs 0.49 0.59 0.66 0.70
kg 0.22 0.27 0.30 0.32
Rexnord® 831 Series TableTop® Chain Compatible Sprockets
Idler wheels are designed to spin freely on the shaft. 27 tooth idler wheel is available on a made-to-order basis and is subject to minimum order requirements.
815/820 Idler Wheel Metric Information Equivalent Tooth Size 21 23 25
Outside Diameter in 5.11 5.60 6.09
mm 129.8 142.2 154.7
Approximate Weight
Metric Bore Diameter (Idler) mm 25 25 25
30 30 30
35 35 35
40 40 40
lbs 0.49 0.59 0.66
kg 0.22 0.27 0.30
Idler wheels are designed to spin freely on the shaft.
TT - 831 - 4
Rexnord® 831 Series TableTop® Chain Product Portfolio
