PBUS SERIES CAM CLUTCH
52431096781
Specify right (RH) or left hand (LH) drive engagement viewed from this end, inner race driving
1 Inner race 2 Outer race 3 Cam 4 Spring 5 Plane bearing 6 Plate 7 Spirolox 8 Set screw 9 Machine screw 10 Seal washer
K
N
L
M
C
E
B
G
P
J
F
D
A
Additional information including shaft and bore tolerances are found in the Engineering section starting on page 92. Dimensions and Capacities
Max. Overrunning (r/min)
Drag Torque
Max. Indexing (cycle/ min)
A in. (mm)
B in. (mm) 1.969
C in. (mm)
D in. (mm) 0.807 (20.5) 1.250 (31.75)
E in. (mm) 0.970
F in. (mm) 0.810 (20.58)
G in. (mm) 0.940 (23.9) 1.630 (41.40)
lb.ft. (Nm)
Inner Race
Outer Race
Model
0.15 (0.2) 0.15 (0.2) 0.15 (0.2) 0.21
1.88
0.875/0.874 (22.23/22.20) 1.250/1.249 (31.75/31.72) 1.375/1.374 (34.93/35.00) 1.750/1.749 (44.45/44.42) 2.250/2.249 (57.15/57.13) 2.500/2.499 (63.50/63.48) 2.875/2.874 (73.03/73.00)
PBUS3
1800
900
150
(47.75)
(50)
(25)
2.75
2.362
1.378
1.000 (25.4) 1.313
PBUS5
1800
900
150
(69.85)
(60)
(35)
3.19
2.875
1.563
1.457
1.687
PBUS6
1500
800
150
(80.97)
(73)
(39.69)
(37)
(33.34)
(42.85)
3.56
3.268
1.750
1.770
1.437
1.875
PBUS8
1200
650
150
(0.29)
(90.49)
(83)
(44.45)
(45)
(36.51)
(47.63)
0.29
3.50
3.750
1.750
2.205
1.440
1.812
PBUS10
1000
400
150
(0.39)
(88.90)
(95.25)
(44.45)
(56)
(36.58)
(46.02)
0.29
3.88
4.449 (113) 5.500
1.935
2.598
1.435
2.125
PBUS12
800
300
150
(0.39)
(98.25)
(49.15)
(66)
(36.45)
(53.98)
0.44
4.38
2.190
2.992
1.750
2.250
PBUS14
700
300
150
(0.59)
(111.13)
(139.7)
(55.63)
(76)
(44.45)
(57.15)
Dimensions and Capacities
J in. (mm)
M in. (mm)
P in. (mm)
L in. (mm)
K in. (mm)
N in. (mm) 0.157
Lubrication Filler Plug (metric)
Weight lb. (kg)
Model
Set Screw
0.715/0.720 0.841/0.835 0.036/0.042 0.500
1/8 x 1/16
0.5
PBUS3
M6 x P1.0 #8-36 x 1/4
(18.16/18.29)
(21.36/21.21)
(0.91/1.06)
(12.7)
(3.175 x 1.58)
(4)
(0.23)
0.900/0.905 1.206/1.198 0.048/0.054 0.562
3/16 x 3/32
0.25
1.3
PBUS5
M6 x P1.0 #8-36 x 1/4
(22.86/22.99)
(30.63/30.43)
(1.22/1.37)
(14.27)
(4.762 x 2.38) 3/16 x 3/32 (4.76 x 2.38)
(6.35)
(0.58)
1.215/1.220 1.327/1.319 0.048/0.054 0.937
0.18 (4.6)
2.4
PBUS6
M6 x P1.0 #10-32 x 1/4
(30.86/30.99)
(33.70/33.50)
(1.22/1.37)
(23.80)
(1.1)
1.315/1.320 1.696/1.686 0.056/0.062 1.000
1/4 x 1/8
0.236
3.5
PBUS8
M6 x P1.0 1/4-28 x 1/4
(33.40/33.53)
(42.82/43.08)
(1.42/1.57)
(25.4)
(6.35 x 3.175)
(6)
(1.6)
1.340/1.345 2.182/2.170 0.056/0.062 0.937
5/16 x 5/32
0.2
5.5
PBUS10
M6 x P1.0 1/4-28 x 1/4
(34.04/34.16)
(55.42/55.12)
(1.42/1.57)
(23.80)
(7.938 x 3.96)
(5.1)
(2.5)
1.311/1.321 2.391/2.379 0.122/0.128 1.190
3/8 x 3/16
0.307
7.9
PBUS12
M6 x P1.0 5/16-24 x 1/4
(33.30/33.55)
(60.73/60.43)
(3.10/3.25)
(30.23)
(9.525 x 4.763)
(7.8)
(3.6) 13.2
1.625/1.630 2.787/2.775 0.056/0.076 1.340
7/16 x 7/32
0.315
PBUS14
M6 x P1.0 5/16-24 x 3/8
(41.28/41.40)
(70.79/70.49)
(1.42/1.92)
(34.04)
(11.113 x 5.555)
(8)
(6)
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