Bore
Diameter

d
Outer
Diameter

D
Flange
Diameter

Df
Radius

rs(min)
Open Bearing... Seal, Shield Bearing Load Rating(N) Max. Speed Cage
Type
Ball
Complement
Weight
(Ref.)
Width

B
Flange
Width

Bf
Bearing Reference .Width

B1
.Flange
Width


Bf1
Open Flange
Open
Shield Flange
Shield
Seal C r(N) Cor(N) Grease Oil Qty. Size Open Flange
Open
Shield Flange
Shield
(2RS) (2RU) (TTS) x1000rpm Z Dw g
1.016 3.175 - 0.10 1.191 - R09 - - - - - - - - 106 28 130 150 W 6 0.635 0.05 - - -
. . . . . . . . . . . . . . . . . . . . . . . . . .
1.191 3.967 5.156 0.10 1.588 0.330 R0* FR0* R0ZZ* FR0ZZ* - - - 2.380 0.787 112 33 110 130 W 7 0.600 0.10 0.12 0.15 0.20
. . . . . . . . . . . . . . . . . . . . . . . . . .
1.397 4.762 5.944 0.10 1.984 0.584 R1* FR1* R1ZZ* FR1ZZ* - - - 2.779 0.787 232 67 90 110 W 6 1.000 0.15 0.19 0.19 0.25
. . . . . . . . . . . . . . . . . . . . . . . . . .
1.984 6.350 7.518 0.10 2.380 0.584 R1-4* FR1-4* R1-4ZZS* FR1-4ZZS* - - - 3.571 0.787 284 96 67 80 W 7 1.000 0.40 0.46 0.53 0.61
. . . . . . . . . . . . . . . . . . . . . . . . . .
2.380 4.762 5.944 0.10 1.588 0.457 R133 FR133 - - - - - - - 189 60 80 95 W 7 0.800 0.10 0.13 - -
. 4.762 5.944 0.10 - - - - R133ZZS* FR133ZZS* - - - 2.380 0.787 144 53 80 95 W 10 0.600 - - 0.15 0.21
. 7.938 9.119 0.15 2.779 0.584 R1-5* FR1-5* R1-5ZZS* FR1-5ZZS* - - TTS 3.571 0.787 552 176 60 71 W 6 1.588 0.60 0.67 1.15 1.25
. . . . . . . . . . . . . . . . . . . . . . . . . .
3.175 6.350 7.518 0.10 2.380 0.584 R144J* FR144J* R144JZZS* FR144JZZS* - - - 2.779 0.787 311 110 67 80 J 8 1.000 0.27 0.33 0.32 0.40
. 6.350 7.518 0.10 2.380 0.584 R144* FR144* R144ZZS* FR144ZZS* - - TTS 2.779 0.787 284 96 67 80 W 7 1.000 0.27 0.33 0.40 0.48
. 7.938 9.119 0.10 2.779 0.584 R2-5* FR2-5* R2-5ZZ* FR2-5ZZ* - - TTS 3.571 0.787 558 180 60 67 W,J 6 1.588 0.50 0.57 0.74 0.84
. 9.525 10.719 0.15 2.779 0.584 R2-6* FR2-6* R2-6ZZ* FR2-6ZZ* 2RS 2RU TTS 3.571 0.787 640 227 53 63 W 7 1.588 0.96 1.05 1.23 1.35
. 9.525 11.176 0.30 3.967 0.762 R2* FR2* R2ZZ* FR2ZZ* 2RS 2RU - 3.967 0.762 631 219 56 67 J 7 1.588 1.04 1.20 1.37 1.53
. 12.700 - 0.30 4.366 - R2A - R2AZZ - - - - 4.366 - 640 227 53 63 J 7 1.588 3.30 - 3.30 -
. . . . . . . . . . . . . . . . . . . . . . . . . .
3.967 7.938 9.119 0.10 2.779 0.584 R155* FR155* R155ZZS* FR155ZZS* - - - 3.175 0.914 359 150 53 63 W 10 1.000 0.51 0.58 0.61 0.72
. . . . . . . . . . . . . . . . . . . . . . . . . .
4.762 7.938 9.119 0.10 2.779 0.584 R156* FR156* R156ZZS* FR156ZZS* - - TTS 3.175 0.914 359 150 53 63 W 10 1.000 0.40 0.47 0.45 0.56
. 9.525 10.719 0.10 3.175 0.584 R166* FR166* R166ZZ* FR166ZZ* - - TTS 3.175 0.787 709 272 50 60 J 8 1.588 0.81 0.90 0.85 0.97
. 12.700 14.351 0.30 3.967 1.067 R3* FR3* R3ZZ* FR3ZZ* 2RS 2RU TTS 4.978 1.067 1301 488 43 53 J 7 2.381 2.21 2.50 2.95 3.24
. 15.875 - 0.30 4.978 - R3A - R3AZZ - 2RS 2RU - 4.978 - 1480 621 38 45 J 8 2.381 4.75 - 5.08 -
. . . . . . . . . . . . . . . . . . . . . . . . . .
6.350 9.525 10.719 0.10 3.175 0.584 R168* FR168* R168ZZS* FR168ZZS* - - TTS 3.175 0.914 373 172 48 56 W 11 1.000 0.57 0.66 0.60 0.73
. 12.700 13.894 0.15 3.175 0.584 R188* FR188* R188ZZ* FR188ZZ* 2RS 2RU TTS 4.762 1.143 1082 442 40 50 J 8 2.000 1.60 1.71 2.32 2.54
. 15.875 17.526 0.30 4.978 1.067 R4* FR4* R4ZZ* FR4ZZ* 2RS 2RU - 4.978 1.067 1480 621 38 45 J 8 2.381 4.46 4.82 4.54 4.90
. 19.050 - 0.40 5.558 - R4A - R4AZZ - 2RS 2RU - 7.142 - 2336 896 36 43 J 6 3.500 7.48 - 10.0 -
. . . . . . . . . . . . . . . . . . . . . . . . . .
7.938 12.700 13.894 0.15 3.967 0.787 R1810* FR1810 R1810ZZS FR1810ZZS* - - TTS 3.967 0.787 542 276 40 48 W 12 1.200 1.39 1.54 1.57 1.72
. . . . . . . . . . . . . . . . . . . . . . . . . .
9.525 22.225 24.613 0.40 5.558 1.575 R6 FR6* R6ZZ FR6ZZ* 2RS 2RU TTS 7.142 1.575 3332 1422 32 38 J 7 3.969 9.02 9.71 11.7 12.4
. . . . . . . . . . . . . . . . . . . . . . . . . .
12.700 28.575 31.120 0.40 6.350 1.575 R8 FR8* R8ZZ FR8ZZ* 2RS 2RU TTS 7.938 1.575 5108 2413 27 32 J 8 4.762 11.6 13.0 24.1 25.6
. . . . . . . . . . . . . . . . . . . . . . . . . .
15.875 34.925 - 0.80 7.142 - R10 - R10ZZ - 2RS 2RU - 8.733 - 5988 3287 21 25 RJ 10 4.762 23.5 - 38.1 -
. . . . . . . . . . . . . . . . . . . . . . . . . .
19.050 41.275 - 0.80 7.938 - R12 - R12ZZ - 2RS 2RU - 11.113 - 9378 5057 17 21 RJ,TW 9 6.350 53.1 - 69.3 -
. . . . . . . . . . . . . . . . . . . . . . . . . .

NOTE:
(1) Bearing also available with single shield : suffix Z or ZS.
(2) Where no value is given for the dimension Ui, the inner ring is plain and dimension Li applies.