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    Tech Center   Bore Sizes for Taper Bushings

Table: 1

SpecBore SizeRemarks
10081/2~7/8STANDARD KEYWAY
15/16, 1SHALLOW KEYWAY
11081/2~1STANDARD   KEYWAY
1 1/16,   1 1/8SHALLOW KEYWAY
1210
1215
1/2~1 1/4STANDARD   KEYWAY
13101/2 ~1 3/8STANDARD KEYWAY
1610
1615
1/2~1 1/2
1 9/16,   1 5/8SHALLOW KEYWAY
2012
2017
1/2~2STANDARD KEYWAY
2517
2525
1/2~2 1/2STANDARD KEYWAY
3020
3030
13/16~3STANDARD   KEYWY
3525
3535
1 3/16~3 1/4STANDARD KEYWAY
3 5/16,   3 3/8, 3 7/16, 3 1/2SHALLOW KEYWAY
4030
4040
1 7/16~3 3/4STANDARD   KEYWY
3 7/8, 3   15/16, 4SHALLOW KEYWAY
4535
4545
1 15/16~4 1/4STANDARD KEYWAY
4 3/8, 4   7/16, 4 1/2SHALLOW KEYWAY
5040
5050
2 7/16~5STANDARD   KEYWAY
Table: 2

Bore   Size
    d
Shallow Keyway   Dimensions
Width
    w
ToleranceDepth
    h
Tolerance
1/4<d1/20.125+ 0.002
    0
0.06+ 0.01
    0
1/2<d3/40.18750.088
3/4<d10.250.115
1<d1 1/40.31260.112
1   1/4<dl 1/20.3750.108
1   1/2<d1 3/40.43750.135
1   3/4<d20.50.131
2<d2 1/20.625+0.003
    0
0.185
2   1/2<d30.750.209
3<d3 1/20.8750.264
3   1/2<d41.00.318
4<d51.250.366