BB SERIES CAM CLUTCH
Drawing shows BB
Drawing shows BB-KK
1 – Inner race 2 – Outer race 3 – Cam cage
4 – Ball bearing 5 – Shield 6 – Retainer
1 – Inner race 2 – Outer race 3 – Cam cage
4 – Ball bearing 5 – Shield 6 – Retainer
7 – Inner race key 8 – Outer race key
Additional information including shaft and bore tolerances are found in the Engineering section starting on page 92. Dimensions and Capacities
Max Overrunning Drag Torque
A
D
Bearing Loads
Weight
Torque Capacity
BB BB-K BB-KK
BB BB-K BB-KK in. (mm)
BB BB-K BB-KK in. (mm)
Dynamic Cr lb. (N)
Static Cor lb. (N)
BB BB-K BB-KK lb. (g)
Inner Race r/min
Outer Race r/min
B in. (mm)
C in. (mm)
r in. (mm)
lb.ft. (Nm)
lb.ft. (Nm) 0.007
Model
21
0.433 1.378 0.591 1.283
0.024 1338
726
0.1 (50) 0.2 (80) 0.3
BB15
3600 2000
(29)
(0.010)
(11)
(35)
(15)
(32.6)
(0.6)
(5950)
(3230)
32
0.007
0.472 1.575 0.669 1.421
0.024 1574
832
BB17
3500 1900
(43)
(0.010)
(12)
(40)
(17)
(36.1)
(0.6)
(7000)
(3700)
45
0.010
0.551 1.850 0.787 1.642
0.039 1911 1102
BB20
3000 1600
(61)
(0.014)
(14)
(47)
(20)
(41.7)
(1)
(8500)
(4900)
(120)
58
0.013
0.591 2.047 0.984 1.827
0.039 2405 1416
0.3
BB25
2500 1400
(78) 103
(0.017)
(15)
(52)
(25)
(46.4)
(1)
(10700)
(6300)
(150)
0.022
0.630 2.441 1.181 2.1653
0.039 2675 1776
0.5
BB30
2000 1100
(140)
(0.030)
(16)
(62)
(30)
(55)
(1)
(11900)
(7900)
(230)
128
0.025
0.669 2.835 1.378 2.520
0.043 3035 2181
0.7
BB35
1800 1000
(173)
(0.034)
(17)
(72)
(35)
(64)
(1.1)
(13500)
(9700)
(320)
192
0.030
0.866 3.150 1.575 2.795
0.043 3260 2630
0.9
BB40
1800
900
(260)
(0.040)
(22)
(80)
(40)
(71)
(1.1)
(14500)
(11700)
(400)
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