Self Aligning Ball Bearings / Inch Series Product Table


Bearing Number Suffixes

Internal Design
A 30° contact angle
AC 25° contact angle
B 40° contact angle
E optimized design
External Design
GA two universal matching bearings when arranged back-to-back
  or face-to-face have light preload.
GB two universal matching bearings when arranged back-to-back
  or face-to-face have moderate preload.
GC two universal matching bearings when arranged back-to-back
  or face-to-face have heavy preload.
UA two universal matching bearings when arranged back-to-back or face-to-face have internal axial clearance smaller than normal (UB).
UB two universal matching bearings when arranged back-to-back or face-to-face have normal internal axial clearance.
UC two universal matching bearings when arranged back-to-back or face-to-face have internal axial clearance greater than normal (UB).
RS seal on one side
2RS seals on both sides
Cage
J pressed steel cage
M machined brass cage
MA machined brass cage, outer ring riding
MB machined brass cage, inner ring riding
P phenolic cage
Y pressed brass cage
Accuracy and Clearance
P5 dimensional and running accuracy at P5 precision class
P6 dimensional and running accuracy at P6 precision class
C1 internal radial clearance less than C2
C2 internal radial clearance less than normal
C3 internal radial clearance larger than normal


Boundary Dimensions
(mm)
Bearing Number Basic Load Ratings
(N)
Speed Ratings
(rpm)
Mass
(kg)
Abutment Dimensions
(mm)
 
d D B r1,2
(min.)
  C
(dynamic)
C0
(static)
Reference Speed Limiting Speed   d1 D1  
12.70 33.34 9.53 0.8 RL 4 5.7 1.5 21000 28500 0.05
12.70 41.28 15.88 1.6 RM 4 12.1 3.0 9300 18500 0.11
15.88 39.69 11.11 0.8 RL 5 8.3 2.4 18000 24500 0.06
15.88 46.04 15.88 1.6 RM 5 12.9 3.7 16000 22000 0.14
19.05 47.63 14.29 1.6 RL 6 10.3 3.2 15500 21000 0.13
19.05 50.80 17.46 1.6 RM 6 12.9 4.0 15000 20000 0.19
22.23 50.80 14.29 1.6 RL 7 12.9 4.0 14400 19500 0.15
22.23 57.15 17.46 1.6 RM 7 18.4 5.5 13400 18000 0.24
25.40 57.15 15.88 1.6 RL 8 15.4 5.0 12900 17500 0.20
25.40 63.50 19.05 2.4 RM 8 21.3 6.6 6100 12100 0.30
28.58 63.50 15.88 1.6 RL 9 16.3 5.8 11700 16000 0.25
28.58 71.44 20.64 2.4 RM 9 25.5 8.4 5400 10900 0.44
31.75 69.85 17.46 1.6 RL 10 16.4 6.7 10700 14500 0.34
31.75 79.38 22.23 2.4 RM 10 30.3 10.5 4900 9800 0.59
34.93 76.20 17.46 1.6 RL 11 19.1 7.6 4900 9800 0.41
34.93 88.90 22.23 2.4 RM 11 26.1 9.8 8900 12000 0.77
38.10 82.55 19.05 2.4 RL 12 20.0 8.6 9100 12300 0.50
38.10 95.25 23.81 2.4 RM 12 34.1 13.1 8300 11100 0.93
41.28 88.90 19.05 2.4 RL 13 22.7 9.6 8400 11400 0.59
41.28 101.60 23.81 2.4 RM 13 32.9 13.1 3900 7700 1.06
44.45 95.25 20.64 2.4 RL 14 23.6 10.8 7900 10600 0.73
44.45 107.95 26.99 2.4 RM 14 44.5 18.0 3600 7200 1.35
47.63 101.60 20.64 2.4 RL 15 27.8 13.4 7200 9800 0.84
47.63 114.30 26.99 2.4 RM 15 42.8 16.2 3300 6700 1.47
50.80 101.60 20.64 2.4 RL 16 27.8 13.4 7200 9800 0.79
50.80 114.30 26.99 2.4 RM 16 42.8 16.2 3300 6700 1.41
57.15 114.30 22.23 2.4 RL 18 31.5 15.5 3200 6400 1.09
57.15 127.00 31.75 3.2 RM 18 58.5 24.9 3000 5900 2.04
63.50 127.00 23.81 2.4 RL 20 37.3 19.7 2900 5700 1.43
63.50 139.70 31.75 3.2 RM 20 60.5 24.2 2700 5400 2.51
69.85 133.35 23.81 2.4 RL 22 40.6 21.4 2700 5400 1.54
69.85 158.75 34.93 3.2 RM 22 74.5 33.0 2400 4700 3.73
76.20 146.05 26.99 2.4 RL 24 43.1 22.9 2400 4900 2.11
76.20 177.80 39.69 4.0 RM 24 86.5 36.4 2100 4200 5.08
82.55 152.40 26.99 2.4 RL 26 58.5 27.6 2300 4600 2.24
82.55 190.50 39.69 4.0 RM 26 101.0 41.3 1900 3900 6.08
85.73 190.50 39.69 4.0 RM 27 101.0 41.3 1900 3800 5.81
88.90 165.10 28.58 3.2 RL 28 66.0 30.9 2100 4200 2.78
88.90 206.38 44.45 4.0 RM 28 133.0 56.0 3500 4800 7.76
95.25 171.45 28.58 3.2 RL 30 64.5 31.0 2000 4000 3.05
95.25 209.55 44.45 4.0 RM 30 135.0 64.0 1700 3400 7.94
101.60 184.15 31.75 3.2 RL 32 75.5 36.6 1800 3700 3.75
101.60 215.90 44.45 4.0 RM 32 149.0 76.5 1600 3200 8.26
107.95 190.50 31.75 3.2 RL 34 77.5 39.2 1700 3500 4.05
107.95 222.25 44.45 4.8 RM 34 146.0 76.5 1500 3100 8.48
114.30 203.20 33.34 3.2 RL 36 85.5 45.2 1600 3200 4.94
114.30 238.81 50.80 4.8 RM 36 159.0 78.5 1400 2900 10.40
120.65 209.55 33.34 3.2 RL 38 84.0 45.2 1500 3100 5.13
120.65 254.00 50.80 4.8 RM 38 168.0 90.0 1300 2700 12.70
127.00 228.60 34.93 3.2 RL 40 88.0 46.0 1400 2800 6.44
127.00 254.00 50.80 4.8 RM 40 168.0 90.0 1300 2600 12.20
139.70 241.30 34.93 3.2 RL 44 109.0 60.5 1300 2600 7.12
139.70 279.40 50.80 4.8 RM 44 191.0 113.0 1200 2300 15.30
152.40 266.70 39.68 4.0 RL 48 120.0 68.5 1200 2300 9.43
152.40 304.80 57.15 4.8 RM 48 211.0 129.0 1000 2100 20.00