BS30 - BS75 SERIES DIMENSIONS
BS30~135
7 1 H-M (both faces) 5 4
8
7 5
8
1 9 7 5
3 4 2 6
2
6
3 4
1
2 6
3
H-M
A
A
A
H-M
C
C
C
S
S
H-M (both faces)
H-M (both faces)
BS30 to BS50 1 Inner race 2 Outer race 3 Cam 4 Roller
BS65 to BS75 1 Inner race 2 Outer race 3 Cam
5 Plate 6 Spring 7 Spirolox 8 Oil seal
6 Plate 7 Thrust metal
8 Oil seal 9 Spirolox
4 Roller 5 Spring
Additional information including shaft and bore tolerances are found in the Engineering section starting on page 92.
Dimensions and Capacities
Drag Torque
H-M Size x Pitch No. of Tapped Holes
Torque lb.ft. (Nm)
A in. (mm) 2.520
B in. (mm) 3.543
C in. (mm) 2.520
D PCD in. (mm)
E in. (mm) 1.772
S in. (mm) 0.512
Weight* lb. (kg)
Inner Race Max. Overrunning Speed (RPM)
lb.ft. (Nm)
Model
217
0.43
3.150
5.1
BS30
350
M6 XP1.0 (4)
(294)
(0.58)
(64)
(90)
(64)
(80)
(45)
(13)
(2.3) 10.3 (4.7) 28.6 (13) 32.3
578
0.72
2.638
4.921 (125) 6.299 (160) 6.693 (170)
2.638
4.331 (110) 5.512 (140) 5.906 (150)
2.756
0.630
BS50
300
M8 x P1.25 (4)
(784) 1158
(0.98)
(67)
(67)
(70)
(16)
2.89
3.543
3.346
3.543
0.787
BS65
340
M10 x P1.5 (6)
(1570)
(3.92)
(90)
(85)
(90)
(20)
1807
4.34
3.543
3.346
3.937 (100)
0.787
BS75
300
M10 x P1.5 (6)
(2450)
(5.88)
(90)
(85)
(20)
(14.7)
* Listed weight is for Cam Clutch with smallest bore. This is max. possible weight.
Chamfer of the Bore End Faces
Shaft Diameter
Chamfer
Under 2"
(Under 50 mm) (50 to 75 mm)
0.06" 0.08"
(1.5 mm)
2" thru 4-15/16"
(2 mm)
84
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