PTI Bearing Catalog - Norfolkbearings.com

Taper Bushings & Keystock - Inch
Part No. Example: 2012-3/4
Size
D inch
Bores Available
D max
Bushing
Length
Dimensions in inches
Set Screws Torque
Whitworth Length Nm
1008 1/2, 9/16, 5/8, 11/16, 3/4, 13/16, 7/8, (15/16), (1) 1.38 0.88 1/4 x 20 TPI 0.51 5.7
1108 1/2, 9/16, 5/8, 11/16, 3/4, 13/16, 7/8, 15/16, 1, (1-1/16), (1-1/8) 1.50 0.88 1/4 x 20 TPI 0.51 5.7
1210 1/2, 9/16, 5/8, 11/16, 3/4, 13/16, 7/8, 15/16, 1, 1-1/16, 1-1/8, 1-3/16, 1-1/4 1.87 1.00 3/8 x 16 TPI 0.63 20
1215 1/2, 9/16, 5/8, 11/16, 3/4, 13/16, 7/8, 15/16, 1, 1-1/16, 1-1/8, 1-3/16, 1-1/4 1.87 1.50 3/8 x 16 TPI 0.63 20
1310 1/2, 9/16, 5/8, 11/16, 3/4, 13/16, 7/8, 15/16, 1, 1-1/16, 1-1/8, 1-3/16, 1-1/4, 1-5/16, 1-3/8 1.99 1.00 3/8 x 16 TPI 0.63 20
1610
1/2, 9/16, 5/8, 11/16, 3/4, 13/16, 7/8, 15/16, 1, 1-1/16, 1-1/8, 1-3/16, 1-1/4,
1-5/16, 1-3/8, 1-7/16, 1-1/2, (1-5/8)
2.24 1.00 3/8 x 16 TPI 0.63 20
1615
1/2, 9/16, 5/8, 11/16, 3/4, 13/16, 7/8, 15/16, 1, 1-1/16, 1-1/8, 1-3/16, 1-1/4,
1-5/16, 1-3/8, 1-7/16, 1-1/2, (1-5/8)
2.24 1.50 3/8 x 16 TPI 0.63 20
2012
3/4, 13/16, 7/8, 15/16, 1, 1-1/16, 1-1/8, 1-3/16, 1-1/4, 1-5/16, 1-3/8,
1-7/16, 1-1/2, 1-5/8, 1-11/16, 1-3/4, 1-7/8, (1-15/16), (2)
2.76 1.25 7/16 x 14 TPI 0.87 31
2517**
1-5/16, 1-3/8, 1-7/16, 1-1/2, 1-5/8, 1-11/16, 1-3/4, 1-7/8, 1-15/16, 2,
2-1/8, 2-3/16, 2-1/4, (2-3/8), (2-7/16), (2-1/2)
3.37 1.75 1/2 x 12 TPI 0.98 49
2517 AS*
1-5/16, 1-3/8, 1-7/16, 1-1/2, 1-5/8, 1-11/16, 1-3/4, 1-7/8, 1-15/16, 2,
2-1/8, 2-3/16, 2-1/4, (2-3/8), (2-7/16), (2-1/2)
3.37 1.75 1/2 x 13 UNC* 0.98 49
3020
1-1/4, 1-5/16, 1-3/8, 1-7/16, 1-1/2, 1-5/8, 1-11/16, 1-3/4, 1-7/8, 1-15/16, 2, 2-1/8,
2-3/16, 2-1/4, 2-3/8, 2-7/16, 2-1/2, 2-5/8, 2-11/16, 2-3/4, (2-7/8), (2-15/16), (3)
4.25 2.00 5/8 x 11 TPI 1.26 92
3030
1-1/4, 1-5/16, 1-3/8, 1-7/16, 1-1/2, 1-5/8, 1-11/16, 1-3/4, 1-7/8, 1-15/16, 2, 2-1/8,
2-3/16, 2-1/4, 2-3/8, 2-7/16, 2-1/2, 2-5/8, 2-11/16, 2-3/4, (2-7/8), (2-15/16), (3)
4.25 3.00 5/8 x 11 TPI 1.50 92
3525
3535**
3535 AS*
4040
4545
5050
Type A
(1008 - 3030)
1-1/2, 1-5/8, 1-11/16, 1-3/4, 1-7/8, 1-15/16, 2, 2-1/8, 2-3/16, 2-1/4,
2-3/8, 2-7/16, 2-1/2, 2-5/8, 2-11/16, 2-3/4, 2-7/8, 2-15/16, 3,
3-1/8, 3-3/16, 3-1/4, (3-3/8), (3-7/16), (3-1/2)
1-1/2, 1-5/8, 1-11/16, 1-3/4, 1-7/8, 1-15/16, 2, 2-1/8, 2-3/16, 2-1/4,
2-3/8, 2-7/16, 2-1/2, 2-5/8, 2-11/16, 2-3/4, 2-7/8, 2-15/16, 3,
3-1/8, 3-3/16, 3-1/4, (3-3/8), (3-7/16), (3-1/2)
1-3/4, 1-7/8, 1-15/16, 2, 2-1/8, 2-3/16, 2-1/4, 2-3/8, 2-7/16, 2-1/2, 2-5/8,
2-11/16, 2-3/4, 2-7/8, 2-15/16, 3, 3-1/8, 3-3/16, 3-1/4, 3-3/8, 3-7/16, 3-1/2
2-1/4, 2-3/8, 2-7/16, 2-1/2, 2-5/8, 2-11/16, 2-3/4, 2-7/8, 2-15/16, 3,
3-1/8, 3-3/16, 3-1/4, 3-3/8, 3-7/16, 3-1/2, 3-3/4, 3-15/16, 4
2-3/4, 2-7/8, 2-15/16, 3, 3-1/8, 3-3/16, 3-1/4, 3-3/8,3-7/16, 3-1/2, 3-3/4,
3-15/16, 4, 4-3/16, 4-1/4, 4-7/16, 4-1/2, 4-3/4, 4-15/16, 5
Keyway Dimensions (per DIN 6885)
Bore D Keyway Width b Keyway Depth h
1/2 1/8 1/16
5/8 to 7/8 3/16 3/32
15/16 to 1-1/4 1/4 1/8
1-5/16 to 1-3/8 5/16 5/32
1-7/16 to 1-3/4 3/8 3/16
1-13/16 to 2-1/4 1/2 1/4
2-5/16 to 2-3/4 5/8 5/16
2-13/16 to 3-1/4 3/4 3/8
3-5/16 to 3-3/4 7/8 7/16
3-7/8 to 4-1/2 1 1/2
4-7/8 to 5 1-1/4 5/8
Dimensions in mm except for Bores and Keyway. Bores in parentheses
with Shallow Keyway.
**Bushing types 2517, 3525 and 3535 are made to “European” standards
with 1/2” x 12tpi BSW set screws.
To order, specify: 1008 - xx, where xx denotes bore size.
Type B
(3535 - 5050)
5.00 3.50 1/2 x 12 TPI 1.73 115
5.00 3.50 1/2 x 13 UNC* 1.73 115
5.75 4.00 5/8 x 11 TPI 2.01 172
6.38 4.50 3/4 x 10 TPI 2.24 195
6.99 5.00 7/8 x 9 TPI 2.32 275
Shallow Keyway Dimensions
Bore D Keyway Width b Keyway Depth h
15/16 to 1-1/8 1/4 1/16
1-9/16 to 1-5/8 3/8 1/8
1-15/16 to 2 1/2 3/16
2-5/16 to 2-1/2 5/8 1/4
2-7/8 to 3 3/4 1/4
3-3/8 to 3-1/2 7/8 3/8
Inch Keystock (12” Length)
Part No. Size Part No. Size
KS 1/8 x 1/8 1/8 KS 3/8 x 3/8 3/8
KS 3/16 x 3/16 3/16 KS 7/16 x 7/16 7/16
KS 1/4 x 1/4 1/4 KS 1/2 x 1/2 1/2
KS 5/16 x 5/16 5/16
*Denotes “AS” American Standard Thread Sizes - 1/2” x 13
screw for these sizes.
UNC set
371 P.T. International Corp.