All Steel QD Bushings - Carlisle Belts
All Steel All Steel QD Bushings QD Bushings
★★G = Gap Between QD Bushing and Mating Hub
Dimensions (Inches) Bushing
A
Stock Bore Range
B
D
E
★F
★★G
L
Cap Bolt Circle
Screws Required
Average Weight (Approx.)
Maximum Min.
Standard Keyway
Shallow Keyway
SF-STL
9/16
3.125
4-5/8
1-1/2
1-1/4
1/8
2-1/16
3-7/8
3-3/8 × 2
1/2
2-5/16
2-13/16
3.0
E-STL
3/4
3.834
6
1-7/8
1-5/8
1/8
2-5/8
5
3-1/2 × 2-3/4
7/8
2-7/8
3-1/2
10.0
F-STL
13/16
4.437
6-5/8
2-13/16
2-1/2
3/16
3-5/8
5-5/8
3-9/16 × 3-5/8
1
35/16
4
11.5
J-STL
1
5.148
7-1/4
3-1/2
3-3/16
3/16
4-1/2
6-1/4
3-5/8 × 4-1/2
17/16
3-3/4
4-1/2
18.0
M-STL
1-1/4
6.500
9
5-1/2
5-3/16
3/16
6-3/4
7-7/8
4-3/4 × 6-3/4
2
4-3/4
5-1/2
37.0
N-STL
1-1/2
7.000
10
6-5/8
6-1/4
7/18
8-1/8
8-1/2
4-7/8 × 8-1/2
21/2
5-1/8
5-7/8
57.0
Bushing SF-STL
Bores
Keyway Keyset
Key
Keyset
Key
Bores
Keyset
Key
2-5/8 – 2-3/4
5/8 × 1/16
1/4 × 1/32
1/4 × 5/32
3/4 × 1/8
3/4 × 1/2
7/8
3/16 × 3/32
3/16 × 3/16
2-15/16
3/4 × 1/16
1/4 × 1/16
1/4 × 3/16
7/8 × 1/16
7/8 × 1/2
15/16 – 1-1/4
1/4 × 1/8
1/4 × 1/4
3/4 × 1/32
3/8 × 1/32
3/8 × 7/32
7/8 × 3/16
7/8 × 5/8
1-5/16 – 1-3/8
5/16 × 5/32
5/16 × 5/16
STD.
3/8 × 1/16
3/8 × 1/4
1 × 1/8
1 × 5/8
1-7/16 – 1-3/4
3/8 × 3/16
3/8 × 3/8
7/8 – 2-7/8
F-STL
2-15/16 – 3-1/4
3/4 × 1/8
3/8 × 1/8
3/8 × 5/16
1-1/4 × 1/4
1-1/4 × 7/8
1-13/16 – 2-1/4
1/2 × 1/4
1/2 × 1/2
3-5/16 – 3-1/2
7/8 × 1/16
1/2 × 1/32
1/2 × 9/32
1-1/2 × 1/8
1-1/2 × 7/8
2-5/16 – 2-3/4
5/8 × 5/16
5/8 × 5/8
1 – 3-5/16 3-3/8 – 3-3/4
STD.
1/2 × 1/16
1/2 × 5/16
1-1/2 × 1/4
1-1/2 × 1
2-13/16 – 3-1/4
3/4 × 3/8
3/4 × 3/4
7/8 × 3/16
1/2 × 1/8
1/2 × 3/8
1-3/4 × 1/8
1-3/4 × 3/4
3-5/16 – 3-3/4
7/8 × 7/16
7/8 × 7/8
1-3/4 × 1/4
1-3/4 × 7/8
3-13/16 – 4-1/2
1 × 1/2
4-9/16 – 5-1/2
1-1/4 × 5/8
3-7/8 – 3-15/16 4 J-STL
5/8 × 1/16
5/8 × 3/8
NONE
3/4 × 1/16
3/4 × 7/16
3-7/16 – 3-3/4
STD. 1 × 1/8
4-13/16 – 5-1/2
STD. 11/4 × 1/4
2-1/2 – 5-1/8 N-STL
1 × 1/8
3-13/16 – 4-1/2 2 – 4-3/4 M-STL
Shallow Key Dimension — Standard
5/8 × 3/16
2-13/16 – 2-7/8
E-STL
Shallow Key Dimension — Standard
2-3/8 – 2-9/16
STD.
5-3/16 – 5-1/2
11/4 × 1/4
5-9/16 – 5-7/8
11/2 × 1/4
2 × 1/4
2 × 1
Shallow Key Dimension — Steel Keyset
Key
Keyset
Key
1/4 × 1/32
1/4 × 5/32
3/4 × 1/16
3/4 × 7/16
1/4 × 1/16 3/8 × 1/32
1/4 × 3/16
3/4 × 1/8
3/4 × 1/2
3/8 × 7/32
7/8 × 1/16
7/8 × 1/2 7/8 × 5/8
3/8 × 1/16
3/8 × 1/4
7/8 × 3/16
3/8 × 1/8
3/8 × 5/16
1 × 1/8
1 × 5/8
Plain Bores Not Split
1/2 × 1/32
1/2 × 3/32
1-1/4 × 1/4
1-1/4 × 7/8
SH-STL
1/2
1/2 × 1/16
1/2 × 5/16
1-1/2 × 1/4
1-1/2 × 1
SD-STL
1/2
1/2 × 1/8
1/2 × 3/8
1-3/4 × 1/8
1-3/4 × 3/4
Bushing
SK-STL
1/2
5/8 × 1/16
5/8 × 3/8
1-3/4 × 3/8
1-3/4 × 1
SF-STL
1-15/16
5/8 × 3/16
5/8 × 1/2
2 × 1/4
2 × 1
E-STL
7/8 – 1-15/16
F-STL
1 – 2-7/16 – 2-15/16
J-STL
17/16 – 2-15/16
M-STL
2 – 2-15/16
N-STL
2-7/16 – 4-15/16
1 × 1 1-1/4 × 1-1/4
5-9/16 – 6-1/2
1-1/2 × 3/4
1-1/2 × 1-1/2
6-9/16 – 7-1/2
1-3/4 × 3/4
1-3/4 × 1-1/2
2 × 3/4
2-1/2 × 1-1/2
7-9/16 – 9 9-1/16 – 11 1-11/16 – 13
2-1/2 × 7/8 3 × 1
Interchangeable Bushings | QD
★F = Length of Mating Bore
— —
Reborable QD bushings made of Stainless Steel are available in many sizes. Non stock sizes are available on MTO basis.
B-3
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325
StandardQD Bushings Standard QD Bushings
Dimensions (Inches) Bushing
JA SH SDS SD SK SF E F J M N P W S
Stock Bore Range
A
B
D
E
F
G
L
Bolt Circle
0.375 0.438 0.500 0.500 0.563 0.563 0.750 0.813 1.000 1.250 1.500 1.750 2.000 3.250
1.375 1.871 2.187 2.187 2.812 3.125 3.834 4.437 5.148 6.500 7.000 8.250 10.437 12.125
2.000 2.688 3.188 3.188 3.875 4.625 6.000 6.625 7.250 9.000 10.250 11.750 15.000 17.750
0.688 0.875 0.875 0.938 1.375 1.500 1.875 2.813 3.500 5.500 6.625 7.625 9.375 12.500
0.563 0.813 0.750 1.250 1.250 1.250 1.625 2.500 3.188 5.188 6.250 7.250 9.000 –
0.125 0.125 0.125 0.125 0.125 0.125 0.125 0.188 0.188 0.188 0.250 0.250 0.250 0.375
1.000 1.250 1.375 1.813 1.125 2.000 2.625 3.625 4.500 6.750 8.125 9.375 11.375 15.750
1.665 2.250 2.688 2.688 3.313 3.875 5.000 5.625 6.250 7.875 8.500 10.000 12.750 15.000
Cap Screws Required
Minimum
Standard Keyway
Shallow Keyway
3 – 10 × 1 3 – 1/4 × 1-3/8 3 – 1/4 × 1-3/8 3 – 1/4 × 1-7/8 3 – 5/16 × 2 3 – 3/8 × 2 3 – 1/2 × 2-3/4 3 – 9/16 × 3-5/8 3 – 5/8 × 4-1/2 4 – 3/4 × 6-3/4 4 – 7/8 × 8-1/2 4 – 1 × 9-1/2 4 – 1-1/8 × 1-11/2 5 – 1-1/4 × 15-1/2
0.375 0.500 0.500 0.500 0.500 0.500 0.875 1.000 1.438 1.938 2.438 2.938 4.000 6.000
1.000 1.375 1.688 1.688 2.125 2.313 2.875 3.313 3.750 4.750 5.125 5.938 7.500 8.250
1.250 1.688 2.000 1.938 2.500 2.316 3.500 3.938 4.500 5.500 6.000 7.000 8.500 10.000
Inch Bore Bushing
JA
SH
SDS
SD
SK
SF
E
F
J M N
P W
Maximum
Set Screw Size
Average Weight (lbs) (Approx.)
10 – 24 1/4 – 20 1/4 – 20 1/4 – 20 5/16 – 18 5/16 – 18 3/8 – 16 1/2 – 13 5/8 – 11 3/4 – 10 3/4 – 10 7/8 – 9 1–8 1-1/4 – 7
0.90 1.00 1.00 1.50 2.00 3.00 10.00 11.50 18.00 37.00 57.00 120.00 250.00 400.00
Millimeter Bore Bores
Keyway
3/8 – 7/16 1/2 – 1 1-1/18 – 1-1/8 13/16 1-1/4 1/2 – 1-3/8 1-7/16 – 1-1/2 1-9/16 – 1-5/8 1-11/16 1/2 – 1-11/16 1-3/4 1-13/16 1-7/8 – 1-15/16 2 1/2 – 1-11/16 1-3/4 1-13/16 1-7/8 1-15/16 2 1/2 – 2-1/8 2-3/16 – 2-1/4 2-5/16 – 2-1/2 2-9/16 – 2-5/8 1/2 – 2-1/4 2-5/16 – 2-1/2 2-9/16 – 2-3/4 2-13/16 – 2-7/8 2-15/16 7/8 – 2-7/8 2-15/16 – 3-1/4 3-3/8 – 3-1/2 3-5/16 1 – 3-5/16 3-3/8 – 3-3/4 37/8 – 315/16 4 1-1/4 – 3-3/4 3-13/16 – 4-1/2 2 – 4-3/4 4-13/16 – 5-1/2 2-7/16 – 5 5-1/8 – 5-1/2 5-9/16 – 6 2-15/16 – 5-15/16 6 – 6-1/2 6-9/16 – 7 4 – 7-1/2 7-9/16 – 8-1/2
NO K.W. STD. 1/4 – 1/16 1/4 – 1/16 NO K.W. STD 3/8 × 1/16 3/8 – 1/16 NO K.W. STD. 3/8 × 1/8 1/2 × 1/8 1/2 × 1/16 NO K.W. STD. 3/8 × 1/8 1/2 × 1/8 1/2 × 1/16 1/2 × 1/16 NO K.W. STD. 1/2 × 1/8 5/8 × 1/16 NO K.W. STD. 5/8 × 3/16 5/8 × 1/16 3/4 × 1/16 3/4 × 1/32 STD. 3/4 × 1/8 7/8 × 1/16 7/8 × 1/8 STD. 7/8 × 3/16 1 × 1/8 NONE STD. 1 × 1/8 STD. 1-1/4 × 1/4 STD. 1-1/4 × 1/4 1-1/2 × 1/4 STD. 1-1/2 × 1/4 1-3/4 × 1/8 STD. 2 × 1/4
Bushing SH
SDS
SD
SK
★ Important — The metric system does not refer to keyseat or keyway dimensions as does the English system; instead, dimensions are given for the key itself which is rectangular in shape, not square as in the English system. NOTE: .03937" = 1mm Ex—24 mm = 0.94488"
SF
TO ORDER: SH 24 mm
E
F
J
Bores MM 24, 25 28, 30 32, 35 24, 25 28, 30 32, 35 38 40, 42 24, 25 28, 30 32, 35 38 40, 42 24, 25 28, 30 32, 35 38 40, 42 48, 50 55 28, 30 32, 35 38 40, 42 48, 50 55 60 35, 38 40, 42 48, 50 55 60, 65 70, 75 48, 50 55 60, 65 70, 75 80, 85 90 50 55 60, 65 70, 75 80, 85 90, 95 100
Key Stock Size ★ w×t 8×7 10 × 8 8×7 10 × 8 12 × 8 8×7 10 × 8 12 × 8 8×7 10 × 8 12 × 8 14 × 9 16 × 10 8×7 10 × 8 12 × 8 14 × 9 16 × 10 18 × 11 10 × 8 12 × 8 14 × 9 16 × 10 18 × 11 20 × 12 14 × 9 16 × 10 18 × 11 20 × 12 22 × 14 25 × 14 14 × 9 16 × 10 18 × 11 20 × 12 22 × 14 25 × 14 28 × 16
Keystock provided for nonstandard keyways.
B-4 326
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Images provided courtesy of Martin ®
www.carlislebelts.com
Short QD ShortQD Bushings
Bushings
Inch Bore
JS
MS
NS
PS
WS
Bores
Keyway
2-7/16 2-15/16 3-7/16 3-1/2 3-15/16 4-7/16 3-7/16 3-1/2 3-15/16 4-7/16 4-15/16 5-7/16 5-1/2 3-15/16 4-7/16 4-15/16 5-7/16 5-1/2 5-15/16 6 4-15/16 5-7/16 5-15/16 6 6-7/16 6-1/2 6-15/16 7 5-7/16 515/16 6 6-7/16 6-1/2 6-15/16 7 7-1/2 7-15/16 8 8-7/16 8-1/2
5/8 × 5/16 3/4 × 3/8 7/8 × 7/16 1 × 1/8 7/8 × 7/16 1 × 1/2 1-1/4 × 1/4 1 × 1/2 1-1/4 × 5/8 1-1/4 × 1/4 1-1/2 × 1/4 1-1/4 × 5/8 1-1/2 × 3/4 1-1/2 × 1/4 1-3/4 × 1/8 1-1/4 × 5/8 1-1/2 × 3/4
1-3/4 × 3/4
2 × 1/4
QD Short Bushings
Weight lbs (approx) 19 17 15 15 13 10 38 37 34 30 26 21 20 54 49 43 38 37 31 30 76 70 62 62 55 54 47 45 154 145 144 136 135 126 125 114 106 105 94 93
are suitable for use in belt conveyor applications wherever the short hubs of a conveyor pulley require the QD Short Bushing style.
Millimeter Bore Bushing JS MS NS PS WS
Dimensions (Inches) A
B
D
E
L
Bolt Circle
Cap Screws Required
1.00 1.19 1.50 1.50 1.75
5.1484 6.5000 7.0000 8.2500 10.4370
7.25 9.00 10.00 11.75 15.00
2.38 3.62 4.50 5.00 5.50
3.38 4.81 6.00 6.50 7.25
6.25 7.88 8.50 10.00 12.75
5/8 × 2-1/2 (3) 3/4 × 3 (4) 7/8 × 3-1/2 (4) 1 × 4 (4) 1-1/8 × 5 (4)
Set Screw Size
Interchangeable Bushings | QD
Bushing
5/8 3/4 3/4 7/8 1
B-5
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327
Taper Bushings
Taper Bushing Installation & Removal Installation
IMPORTANT NOTE: Please follow the instructions on this sheet in order for the Martin bushing to perform satisfactorily.
INSTALLATION 1. Clean all oil, dirt, and paint from shaft, bushing bore, outside of bushing and component (sprocket, sheave...etc.) bore. 2. Insert bushing into component. Match the hole pattern, not the threaded holes (each hole will be threaded on one side only.) 3. Thread set or cap screws into those half threaded holes indicated by ❍ on above diagram. Mount assembly on shaft. 4. Alternately torque set or cap screws* to recommended torque setting in chart below. 5. On 3535 and larger bushings use a block, sleeve or drift and hammer large end of bushing (do not hammer bushing directly). 6. Repeat steps 4 and 5 until torque wrench reading, after hammering, is the same as before hammering. 7. Fill all unoccupied holes with grease. REMOVAL
1. Remove all set or cap screws. 2. Insert set or cap screws in holes indicated by ● on drawing. Loosen bushing by alternately tightening set or cap screws. 3. To reinstall, complete all seven (7) installation instructions.
WARNING: Because of the possible danger to person(s) or property from accidents which may result from the improper use of products, it is important that correct procedures be followed: Products must be used in accordance with the engineering information specified in the catalog. Proper installation, maintenance and operation procedures must be observed. The instructions given above must be followed. Inspections should be made as necessary to assure safe operation under prevailing conditions. All rotating power transmission products when used in a drive are potentially dangerous and must be guarded by the user as required by applicable laws, regulations, standards, and good safety practice. (Refer to ANSI Standard B15.1.) B-7 328
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Images provided courtesy of Martin ®
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Taper Bushings Dimensions Dimensions
Taper Bushings
No. 1008 to 3030 Taper Bushings
1210 1215
1310
1610
1615
2012
2517
2525
3020
3030
Bushing Keyseat
Shaft Keyseat
1/2 to 9/16 5/8 to 7/8 15/16 to 1 1/2 to 9/16 5/8 to 7/8 15/16 to 1 1-1/16 to 1-1/8 1/2 to 9/16 5/8 to 7/8 15/16 to 1-1/4 1/2 to 9/16 5/8 to 7/8 15/16 to 1-1/4 1/2 to 9/16 5/8 to 7/8 15/16 to 1-1/4 1-5/16 to 1-3/8 1/2 to 9/16 5/8 to 7/8 15/16 to 1-1/4 1-5/16 to 1-3/8 1-7/16 to 1-1/2 1-9/16 to 1-5/8 1/2 to 9/16 5/8 to 7/8 15/16 to 1-1/4 1-5/16 to 1-3/8 1-7/16 to 1-1/2 1-9/16 to 1-5/8 1/2 to 9/16 5/8 to 7/8 15/16 to 1-1/4 1-5/16 to 1-3/8 1-7/16 to 1-3/4 1-13/16 to 1-7/8 1-15/16 to 2 1/2 to 9/16 5/8 to 7/8 15/16 to 1-1/4 1-5/16 to 1-3/8 1-7/16 to 1-3/4 1-13/16 to 2-1/4 2-5/16 to 2-1/2 3/4 to 7/8 15/16 to 1-1/4 15-/16 to 1-3/8 1-7/16 to 1-3/4 1-13/16 to 2-1/4 2-5/16 to 2-1/2 15/16 to 1-1/4 1-5/16 to 1-3/8 1-7/16 to 1-3/4 1-13/16 to 2-1/4 2-5/16 to 2-3/4 2-13/16 to 3 15/16 to 1-1/4 1-5/16 to 1-3/8 1-7/16 to 1-3/4 1-13/16 to 2-1/4 2-5/16 to 2-3/4 2-13/16 to 3
.27 .21 .16 .33 .27 .22 .17 .61 .55 .49 .8 .7 .6 .7 .7 .6 .6 .9 .8 .7 .7 .6 .5 1.2 1.1 1.0 .8 .7 .6 1.7 1.6 1.5 1.4 1.2 1.0 1.0 3.5 3.4 3.3 3.2 3.0 2.4 1.9 4.9 4.7 4.5 4.2 3.3 2.5 6.5 6.3 6.0 5.3 4.5 3.9 9.2 8.9 8.6 7.6 6.2 5.0
1/8 × 1/16 3/16 × 3/32 1/4 × 1/16 ▼ 1/8 × 1/16 3/16 × 3/32 1/4 × 1/8 1/4 × 1/16 ▼ 1/8 × 1/16 3/16 × 3/32 1/4 × 1/8 1/8 × 1/16 3/16 × 3/32 1/4 × 1/8 1/8 × 1/16 3/16 × 3/32 1/4 × 1/8 5/16 × 5/32 1/8 × 1/16 3/16 3/32 1/4 × 1/8 5/16 × 5/32 3/8 × 3/16 3/8 × 1/8 ▼ 1/8 × 1/16 3/16 × 3/32 1/4 × 1/8 5/16 × 5/32 3/8 × 3/16 3/8 × 1/8 ▼ 1/8 × 1/16 3/16 × 3/32 1/4 × 1/8 ▼ 5/16 × 5/32 3/8 × 3/16 1/2 × 1/4 1/2 × 3/16 ▼ 1/8 × 1/16 3/16 × 3/32 1/4 × 1/8 5/16 × 5/32 3/8 × 3/16 1/2 × 1/4 5/8 × 3/16 ▼ 3/16 × 3/32 1/4 × 1/8 5/16 × 5/32 3/8 × 3/16 1/2 × 1/4 5/8 × 3/16 ▼ 1/4 × 1/8 5/16 × 5/32 3/8 × 3/16 1/2 × 1/4 5/8 × 5/16 3/4 × 1/4 ▼ 1/4 × 1/8 5/16 × 5/32 3/8 × 3/16 1/2 × 1/4 5/8 × 5/16 3/4 × 1/4 ▼
1/8 × 1/16 3/16 × 3/32 1/4 × 1/8 1/8 × 1/16 3/16 × 3/32 1/4 × 1/8 1/4 × 1/8 1/8 × 1/16 3/16 × 3/32 1/4 × 1/8 1/8 × 1/16 3/16 × 3/32 1/4 × 1/8 1/8 × 1/16 3/16 × 3/32 1/4 × 1/8 5/16 × 5/32 1/8 × 1/16 3/16 3/32 1/4 × 1/8 5/16 × 5/32 3/8 × 3/16 3/8 × 3/16 1/8 × 1/16 3/16 × 3/32 1/4 × 1/8 5/16 × 5/32 3/8 × 3/16 3/8 × 3/16 1/8 × 1/16 3/16 × 3/32 1/4 × 1/8 5/16 × 5/32 3/8 × 3/16 1/2 × 1/4 1/2 × 1/4 1/8 × 1/16 3/16 × 3/32 1/4 × 1/8 5/16 × 5/32 3/8 × 3/16 1/2 × 1/4 5/8 × 5/16 3/16 × 3/32 1/4 × 1/8 5/16 × 5/32 3/8 × 3/16 1/2 × 1/4 5/8 × 5/16 1/4 × 1/8 5/16 × 5/32 3/8 × 3/16 1/2 × 1/4 5/8 × 5/16 3/4 × 3/8 1/4 × 1/8 5/16 × 5/32 3/8 × 3/16 1/2 × 1/4 5/8 × 5/16 3/4 × 3/8
POSITION OF SCREW TO TIGHTEN BUSHING
B
FOR REMOVING FROM SHAFT: BUSHING HALF OF HOLE THREADED. HUB HALF OF HOLE NOT THREADED.
55º
A
L SECTION A-A
A
85º
M
8º TAPER INCLUDED ANGLE
F SET SCREW FOR TIGHTENING ON SHAFT: HUB HALF OF HOLE THREADED, A BUSHING HALF OF HOLE NOT THREDED
Dimensions CØ Bushing Number
A
B
1008 1108 1210 1215 1310 1610 1615 2012 2517 2525 3020 3030
1.386 1.511 1-7/8 1-7/8 2 2-1/4 2-1/4 2-3/4 3-3/8 3-3/8 4-1/4 4-1/4
7/8 7/8 1 1-1/2 1 1 1-1/2 1-1/4 1-3/4 2-1/2 2 3
Class 20 Class Gray Gray Iron 30Iron 2-3/8 2-1/2 3-5/8 3-1/8 3-3/4 4 3-1/2 4-3/4 5-1/2 4-3/4 7 6-1/4
L★ Steel
D
F†
2-3/16 1-15/16 1-21/64 1/4 × 1/2 2-5/16 2-1/16 1-29/64 1/4 × 1/2 3-1/4 2-7/8 1-3/4 3/8 × 5/8 2-7/8 2-5/8 1-3/4 3/8 × 5/8 3-3/8 3 1-7/8 3/8 × 5/8 3-5/8 3-1/4 2-1/8 3/8 × 5/8 3-1/4 3 2-1/8 3/8 × 5/8 4-3/8 3-7/8 2-5/8 7/16 × 7/8 4-7/8 4-3/8 3-1/4 1/2 × 1 4-1/2 4-1/4 3-1/4 1/2 × 1 6-1/4 5-5/8 4 5/8 × 1-1/4 5-3/4 5-3/8 4 5/8 × 1-1/4
M ★★
Standard Hex. Key
Short Standard Short Hex. Key ‡ Key ‡ Key
1-1/8 1-1/8 1-3/8 1-3/8 1-3/8 1-3/8 1-3/8 1-9/16 1-5/8 1-5/8 1-13/16 1-13/16
5/8 1-1/4 3/4 5/8 1-1/4 3/4 13/16 1-5/8 1-1/16 13/16 1-5/8 1-1/16 13/16 1-5/8 1-1/16 13/16 1-5/8 1-1/16 13/16 1-5/8 1-1/16 15/16 2 1-3/8 1 2-1/4 1-5/8 1 2-1/4 1-5/8 1-3/16 2-11/16 2-1/16 1-3/16 2-11/16 2-1/16
Bushings cannot be bored larger than largest bore listed. For detail dimensions required for machining hubs, consult factory. ▼
Key furnished for these sizes only.
Ø
For general reference. Severe conditions may require larger hub. Heavy well-located web may permit smaller hub. Hub diameter required depends on the particular application. Consult giving full information on the proposed design. Hub diameters shown are based on 20,000, 30,000, and 50,000 P.S.I. minimum ultimate tensile strength respectively for Class 20 gray iron, Class 30 gray iron, and steel hubs.
†
2 screws required. Use in positions shown for tightening bushing on shaft. In removing bushing from shaft, remove screws and use one of them in the other hole. Bushing price includes screws.
★
Space required to tighten bushing. Also space required to loosen screws to permit removal of hub by puller.
Interchangeable | Taper Bushings
1108
Wt. lbs (appr)
D (BOLT CIRCLES)
1008
Bore
C (HUB DIAM.)
Bushing Number
★★ Space required to loosen bushing using one screw as jackscrew — no puller required. ‡
Standard hex key cut to minimum usable length.
B-8
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329
Taper Bushings Dimensions Dimensions
Taper Bushings POSITION OF SCREW TO TIGHTEN BUSHING
C (HUB DIAM.)
D (BOLT CIRCLES)
B
A
55°
A
60°
52° F SOCKET HEAD CAP SCREWS FOR TIGHTENING ON SHAFT: HUB HALF OF HOLE THREADED. BUSHING HALF OF HOLE NOT THREADED.
L SECTION A-A
No. 3535 to 5050 Bushings Bushing Number
3535
4040
4545
5050
Bore
Weight
Bushing Keyseat
Shaft Keyseat
1-3/16 to 1-1/4 1-5/16 to 1-3/8 1-7/16 to 1-3/4 1-13/16 to 2-1/4 2-5/16 to 2-3/4 2-13/16 to 3-1/4 3-5/16 to 3-1/2 1-7/16 to 1-3/4 1-13/16 to 2-1/4 2-5/16 to 2-3/4 2-13/16 to 3-1/4 3-5/16 to 3-5/8 3-11/16 to 3-3/4 3-13/16 to 4 1-15/16 to 2-1/4 2-5/16 to 2-3/4 2-13/16 to 3-1/4 3-5/16 to 3-3/4 3-13/16 to 4-1/4 4-5/16 to 4-1/2 2-5/16 to 2-3/4 2-13/16 to 3-1/4 3-5/16 to 3-3/4 3-13/16 to 4-1/2 4-9/16 to 5
14 14 13 12 11 9 8 22 21 19 17 15 14 13 30 28 26 23 20 18 38 35 32 27 24
1/4 × 1/8 5/16 × 5/32 3/8 × 3/16 1/2 × 1/4 5/8 × 5/16 3/4 × 3/8 ▼ 7/8 × 1/4 3/8 × 3/16 1/2 × 1/4 5/8 × 5/16 3/4 × 3/8 7/8 × 7/16 ▼ 1 × 1/4 ▼ 1 × 1/4 1/2 × 1/4 5/8 × 5/16 3/4 × 3/8 7/8 × 7/16 1 × 1/2 ▼ 1 × 1/4 5/8 × 5/16 3/4 × 3/8 7/8 × 7/16 1 × 1/2 ▼ 1-1/4 × 7/16
1/4 × 1/8 5/16 × 5/32 3/8 × 3/16 1/2 × 1/4 5/8 × 5/16 3/4 × 3/8 7/8 × 7/16 3/8 × 3/16 1/2 × 1/4 5/8 × 5/16 3/4 × 3/8 7/8 × 7/16 7/8 × 7/16 1 × 1/2 1/2 × 1/4 5/8 × 5/16 3/4 × 3/8 7/8 × 7/16 1 × 1/2 1 × 1/2 5/8 × 5/16 3/4 × 3/8 7/8 × 7/16 1 × 1/2 1-1/4 × 5/8
M
FOR REMOVING FROM SHAFT: BUSHING HALF OF HOLE THREADED. HUB HALF OF HOLE NOT THREADED.
8° TAPER INCLUDED ANGLE
A
CØ
A
B
Class 20 Gray Iron
Class 30 Gray Iron
Steel
D
F†
G
R
5
3-1/2
7-3/4
7
6-1/2
4.83
1/2 × 1-1/2
39°
▲
5-3/4
4
9-1/2
8-1/2
7-3/4
5.54
5/8 × 1-3/4
40°
▲
6-3/8
4-1/2
10-1/2
9-1/2
8-3/4
6.13
3/4 × 2
40°
▲
7
5
11-1/2
10-1/2
9-1/2
6.72
7/8 × 2-1/4
37°
▲
A
B
Class 20 Gray Iron
Class 30 Gray Iron
Steel
D
F†
G
R
5-3/4
3
9-1/2
8-1/2
7-3/4
5.54
5/8 × 1-3/4
39°
▲
6-3/8
3-1/2
10-1/2
91/2
8-3/4
6.13
3/4 × 2
40°
▲
7
4
11-1/2
10-1/2
9-1/2
6.72
7/8 × 2-1/4
37°
▲
No. 4030 to 5040 Short Taper Bushings Bushing Number
4030
4535
5040
Bore
Weight
Bushing Keyseat
Shaft Keyseat
1-7/16 to 1-3/4 1-13/16 to 2-1/4 2-5/16 to 2-3/4 2-13/16 to 3-1/4 3-5/16 to 3-11/16 3-3/4 3-13/16 3-7/8 to 4-7/16 1-15/16 to 2-1/4 2-5/16 to 2-3/4 2-13/16 to 3-1/4 3-5/16 to 3-11/16 3-13/16 to 4-1/4 4-3/8 to 4-1/2 4-3/4 to 4-15/16 2-7/16 to 2-3/4 2-13/16 to 3-1/4 3-5/16 to 3-3/4 3-13/16 to 4-1/2 4-3/4 to 5
24 21 20 18 15 13 13 13 31 29 25 23 20 17 15 40 37 33 29 23
3/8 × 3/16 1/2 × 1/4 5/8 × 5/16 3/4 × 3/8 7/8 × 7/16 ▼ 7/8 × 3/16 1 × 1/2 1 × 1/4 1/2 × 1/4 5/8 × 5/16 3/4 × 3/8 7/8 × 7/16 1 × 1/2 ▼ 1 × 1/4 ▼ 1-1/4 × 1/4 5/8 × 5/16 3/4 × 3/8 7/8 × 7/16 1 × 1/2 ▼ 1-1/4 × 1/4
3/8 × 3/16 1/2 × 1/4 5/8 × 5/16 3/4 × 3/8 7/8 × 7/16 7/8 × 7/16 1 × 1/2 1 × 1/2 1/2 × 1/4 5/8 × 5/16 3/4 × 3/8 7/8 × 7/16 1 × 1/2 1 × 1/2 1-1/4 × 5/8 5/8 × 5/16 3/4 × 3/8 7/8 × 7/16 1 × 1/2 11/4 × 5/8
Bushings cannot be bored larger than largest bore listed.
†
For detail dimensions required for machining hubs, consult factory.
330
▼
Key furnished for these sizes only.
Ø
For general reference. Severe conditions may require larger hub. Heavy well located web may permit smaller hub. Hub diameter required depends on the particular application. Consult factory giving full information on the proposed design. Hub diameters shown are based on 20,000, 30,000, and 50,000 P.S.I. minimum ultimate tensile strength respectively for Class 20 gray iron, Class 30 gray iron, and steel hubs.
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▲
Images provided courtesy of Martin ®
CØ
3 screws required. Use in positions shown for tightening bushing on shaft. In removing bushing from shaft, remove screws and use two of them in the other two holes. Bushing price includes screws. See following footnote. Provide sufficient space to tighten and loosen bushing. screw head is same as screw diameter which is shown in column F.
B-9
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Taper Bushings Dimensions Dimensions
Taper Bushings
Bushing Number 6050 7060
Ф 8065
Ф 10085 Ф 120100
Bore
Weight
Bushing Keyseat
Shaft Keyseat
3-13/16 to 4-1/2 49/16 to 5-1/2 5-9/16 to 6 4-9/16 to 5-1/2 5-9/16 to 6-1/2 6-9/16 to 7 5-1/16 to 5-1/2 5-9/16 to 6-1/2 6-9/16 to 7-1/2 7-9/16 to 8 6-9/16 to 7-1/2 7-9/16 to 9 9-1/16 to 10 7-9/16 to 9 9-1/16 to 11 11-1/16 to 12
60 55 50 85 75 65 120 105 90 75 260 230 190 410 360 290
1 × 1/2 1-1/4 × 5/8 1-1/2 × 3/4 1-1/4 × 5/8 1-1/2 × 3/4 1-3/4 × 3/4 1-1/4 × 5/8 1-1/2 × 3/4 1-3/4 × 3/4 2 × 3/4 1-3/4 × 3/4 2 × 3/4 2-1/2 × 7/8 2 × 3/4 2-1/2 × 7/8 3×1
1 × 1/2 1-1/4 × 5/8 1-1/2 × 3/4 1-1/4 × 5/8 1-1/2 × 3/4 1-3/4 × 3/4 1-1/4 × 5/8 1-1/2 × 3/4 1-3/4 × 3/4 2 × 3/4 1-3/4 × 3/4 2 × 3/4 2-1/2 × 7/8 2 × 3/4 2-1/2 × 7/8 3×1
CØ
A
B
D
E
F†
L★
M ★★
9-1/4
5
17
15-1/2
13-1/2
9
6-3/4
1-1/4 × 3-1/2
1-5/8
4-3/8
10-1/4
6
18-1/2
17
14-3/4
10
7-3/4
1-1/4 × 3-1/2
1-5/8
4-3/8
11-1/4
6-1/2
19
17-1/2
15-1/2
11
8-3/4
1-1/4 × 3-1/2
1-5/8
4-3/8
14-3/4
8-1/2
23-1/2
22
19-1/2
14-1/2
11-3/4
1-1/2 × 4-1/4
2
5-3/8
17-1/4
10
28
26
23
17
14-1/4
1-1/2 × 4-1/4
2
5-3/8
Bushings cannot be bored larger than largest bore listed.
Class 20 Class 30 Gray Iron Gray Iron
★
For detail dimensions required for machining hubs, consult . Ø
†
For general reference. Severe conditions may require larger hub. Heavy well located web may permit smaller hub. Hub diameter required depends on the particular application. Consult giving full information on the proposed design. Hub diameters shown are based on 20,000, 30,000, and 50,000 P.S.I. minimum ultimate tensile strength respectively for Class 20 gray iron, Class 30 gray iron, and steel hubs.
Steel
Interchangeable | Taper Bushings
No 6050 to 120100 Taper Bushings
Space required to tighten bushing. Also space required to loosen screws to permit removal of hub by puller.
★★ Space required to loosen bushing using screws as jackscrews— no puller required. Ф
Not currently stocked — Available on order.
3 screws for 6050; four for 7060 to 10085; six for 120100. Use in positions shown for tightening bushing on shaft. In loosening bushing, remove screws and use all except one in the other holes. Bushing price includes screws.
B-10
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331
Taper Bushings Metric and Reborable
Taper Bushings
Metric and Reborable
Stock Taper Bushings With Metric Bores and Keyways ★ Metric Bores
★ Metric Keyway
14, 16
5 × 2.3
18, 19 20, 22
6 × 2.8
24
8 × 3.3
25
8 × 3.3
28, 30
8 × 3.3
32
10 × 3.3
35
10 × 3.3
38
10 × 3.3
40, 42
12 × 3.3
45, 48
14 × 3.8
50 55
14 × 3.8 16 × 4.3
Taper Bushing Number 1008 1215 1008 1610 1108 1610 1210 1615 1210 1615 1610 2012 1610 2012 1610 2012 2012 2517 2012 2517 2517 2517
1108 1610 1108 1615 1210 1615 1215 2012 1215 2012 1615 2517 1615 2517 1615 2517
1210 1615 1210 2012 1215 2012 1610 2517 1610 2517
1215 2517 2517
3020
3020 3020 3020
3020 3020 3020 3020
★ Millimeter Bores and Keyways from ISO Std. R773. 1" = 25.4 millimeters NOTE: For other metric bore sizes consult factory.
Stock Reborable Taper Bushings With No Keyways Sintered Steel 1008 1108 1210 1215 1310 1610 1615 2012 2517
9/16 1/2 9/16 1/2 1/2 1/2 1-5/16 1/2 1-5/16 1/2 1/2 1-9/16
3020
15/16 1-11/16
Gray Iron
2525 3020 3030 3535 4040 4545 5050 6050 7060 8065 10085 H120100
2-1/8 15/16 1-7/16 2-15/16 15/16 2-7/16 2-15/16 1-3/16 2-7/16 2-15/16 1-7/16 3-7/16 3-15/16 3-15/16 4-7/16 2-7/16 3-15/16 3-7/16 5-7/16 3-15/16 4-7/16 7 8
Steel 1008 1108 1210 1215 1310 1610 1615 2012 2517 2525 3020 3030 3535 4040 4545
Stainless Steel 1/2 1/2 1/2 1/2 1/2 1/2 1/2 1/2 15/16
1008 1108 1210 1215 1310 1610 1615 2012 2517 2525 3020 3030 3535 4040 4545
1/2 1/2
1/2 1/2 1/2 15/16
★ Not currently stocked. Consult factory for availability and pricing.
B-12
332
Every effort is made to keep all catalog dimensions and styles current in the catalog. However, from time to time it is necessary because of manufacturing changes to alter stock products dimensionally. If any stock product dimension or style in this catalog section is critical to your application please contact for certification.
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MST Bushings MST® Bushings ®
“G” & “H” BUSHINGS “R”
“P”, “Q” & “R” BUSHINGS
“S ” “U”
“U1”, “U2”
“S” & “U” BUSHINGS
“W” BUSHINGS
Dimensions
Stock Bore Range
Cap Screws
Part Number
D
L
A
B Large End
G
B.C.
W
Type 1
Type 2
No.
Size
Av. Wt. Lbs.
Wrench Torque In./lbs.
G H P1 P2 P3 Q1 Q2 Q3 R1 R2 S1 S2 UO UO U1 U2 W1 W2
2.00 2.50 3.00 3.00 3.00 4.12 4.12 4.12 5.38 5.38 6.38 6.38 8.38 8.38 8.38 8.38 12.50 12.50
1.00 1.25 1.94 2.94 4.44 2.50 3.50 5.00 2.88 4.88 4.38 6.75 5.25 4.94 7.12 10.12 8.25 11.25
0.25 0.25 0.41 0.41 0.41 0.53 0.53 0.53 0.62 0.62 0.75 0.75 1.06 0.75 1.06 1.06 1.44 1.44
1.1720 1.6250 1.9375 1.9375 1.9375 2.8750 2.8750 2.8750 4.0000 4.0000 4.6250 4.6250 6.0000 6.0000 6.0000 6.0000 8.5000 8.5000
0.19 0.19 0.22 0.22 0.22 0.22 0.22 0.22 0.25 0.25 0.31 0.31 0.44 0.44 0.44 0.44 0.44 0.44
1.56 2.00 2.44 2.44 2.44 3.38 3.38 3.38 4.62 4.62 5.38 5.38 7.00 7.00 7.00 7.00 10.00 10.00
— — 0.375 0.375 0.375 0.500 0.500 0.500 0.750 0.750 0.750 0.750 1.250 1.250 1.250 1.250 1.250 1.250
3/8 – 15/16 3/8 – 1-3/8 1/2 – 1-7/16 3/4 – 1-7/16 1-1/8 – 1-3/8 3/4 – 2-1/16 1 – 2-1/16 1-3/8 – 2-1/16 1-1/8 – 2-13/16 1-3/8 – 2-13/16 1-11/16 – 3-3/16 1-7/8 – 3-3/16 2-3/8 – 3-1/16 3-1/4 – 4-1/4 2-3/8 – 4-1/4 2-7/16 – 4-1/4 3-3/8 – 6-3/16 3-3/8 – 6-3/16
1 1-7/16 – 1-1/2 1-1/2 – 1-3/4 1-1/2 – 1-3/4 1-5/8 2-1/8 – 2-11/16 2-1/8 – 2-5/8 2-1/8 – 2-1/2 2-7/8 – 3-3/4 2-7/8 – 3-5/8 3-1/4 – 4-1/4 3-1/4 – 4-3/16 — 4-3/8 – 5-1/2 4-3/8 – 5-1/2 4-3/8 – 5 6-1/4 – 7-7/16 6-1/4 – 7-7/16
2 2 3 3 3 3 3 3 3 3 3 3 3 3 3 3 4 4
1/4 × 5/8 1/4 × 3/4 5/16 × 1 5/16 × 1 5/16 × 1 3/8 × 1-1/4 3/8 × 1-1/4 3/8 × 1-1/4 3/8 × 1-3/4 3/8 × 1-3/4 1/2 × 2-1/4 1/2 × 2-1/4 5/8 × 2-3/4 5/8 × 2-3/4 5/8 × 2-3/4 5/8 × 2-3/4 3/4 × 3 3/4 × 3
0.5 0.8 1.3 1.5 2.0 3.5 4.5 5.5 7.5 11.0 13.5 19.0 30.0 27.0 40.0 50.0 104.0 133.0
95 95 192 192 192 348 348 348 348 348 840 840 1680 1680 1680 1680 3000 3000
Interchangeable | MST® Bushings
Bushing Specifications
All tapers are 3/4" per 12" on Diameter. All dimensions are in inches except, as noted. All bushings are cast iron, ductile iron, sintered steel, or steel.
.
Metric bushings also available.
B-14
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333
