SURE-GRIP BUSHING DIMENSIONS
A1–3
Sure-Grip bushings are designed to transmit the rated torque capacity listed in the table below when the cap screws are tightened as
indicated. The bushings are stocked in all popular bore sizes, including metric bores, within the bore range for a particular bushing.
SURE-GRIP BUSHINGTORQUE RATINGS AND DIMENSIONSTorque (Note 1) (Note 2) DIMENSIONS IN INCHES Cap
Bush. Capacity Max. Max. Bolt Screws
(In.-Lbs.) Bore Bore A B D E F* L Circle Required
QT 1,750 11⁄230 1/41.625 21/217/811/422-
1/4x 1
JA 1,750 11⁄423 5/16 1.375 2 11/16 9/16 11
21/32 3 - #10 x 1
SH 3,500 15⁄836 3/81.871 211/16 7/813/16 11/421/43-1/4x 13/8
SDS 5,000 115⁄16 42 7/16 2.1875 33/16 7/83/415/16 211/16 3-1/4x 13/8
SD 5,000 115⁄16 42 7/16 2.1875 33/16 13/811/4113/16 211/16 3-1/4x 17/8
SK 7,000 21/256 1/22.8125 37/813/811/417/835/16 3-5/16 x 2
SF 11,000 215/16 63 1/23.125 45/811/211/423
7/83-3/8x 2
E20,000 31/278 3/43.834 6 1 7/815/825/853-
1/2x 23/4
F40,000 315/16 90 13/16 4.4375 65/8213/16 21/235/855/83-9/16 x 35/8
J55,000 41/2105 1 5.1484 71/431/233/16 41/261/43-5/8x 41/2
M125,000 51/2130 11/46.500 91/851/253/16 63/477/84-3/4x 6 3/4
N150,000 6 140 11/27.000 10 6 5/861/481/881/24-7/8x 8
P250,000 7 160 13/48.250 113/475/871/493/810 4 - 1 x 9 1/2
W375,000 81/2200 2 10.437 15 93/8911
3/8123/44 - 11/8x 111/2