Page 289 - needle bearings
P. 289
Snap rings
NTN
For shaft
Type WR
Bearing Boundary dimensions Limiting Bearing Boundary dimensions Limiting
numbers speeds numbers speeds
mm r/min mm r/min
d1 d3 b s d2 d1 d3 b s d2
max ʶ0.06 max ʶ0.06
WR 4 4 3.7 0.8 0.5 3.8 275 000 WR 37 37 35.2 2.3 1.5 35.8 9 200
WR 5 5 4.7 1 0.5 4.8 192 000 WR 38 38 36.2 2.3 1.5 36.8 8 700
WR 6 6 5.6 1.1 0.7 5.7 141 000
WR 40 40 37.8 2.3 1.5 38.5 8 100
0
WR 7 7 6.5 1.2 0.7 6.7 ʵ0.09 134 000 WR 42 42 39.8 2.3 1.5 40.5 7 000
0
WR 8 8 7.4 1.3 1 7.6 108 000 WR 43 43 40.8 2.3 1.5 41.5 ʵ0.16 6 800
WR 9 9 8.4 1.3 1 8.6 80 000
WR 45 45 42.8 2.3 1.5 43.5 5 800
WR10 10 9.4 1.3 1 9.6 68 000 WR 47 47 44.8 2.3 1.5 45.5 5 500
WR11 11 10.2 1.3 1 10.5 64 500 WR 48 48 45.8 2.3 1.5 46.5 5 300
WR12 12 11.2 1.3 1 11.5 53 000
WR 50 50 47.8 2.3 1.5 48.5 4 800
WR13 13 12.2 1.3 1 12.5 49 600 WR 52 52 49.8 2.3 1.5 50.5 4 300
WR14 14 13.1 1.5 1.2 13.5 0 45 900 WR 55 55 52.6 2.3 1.5 53.5 4 400
ʵ0.11
WR15 15 14 1.75 1.2 14.4 44 500
WR 58 58 55.6 2.3 1.5 56.5 3 900
WR16 16 15 1.75 1.2 15.4 38 000 WR 60 60 57.6 2.3 1.5 58.5 3 500
WR17 17 16 1.75 1.2 16.4 34 500 WR 61 61 58.6 2.3 1.5 59.5 3 300
WR18 18 17 1.75 1.2 17.4 30 000
WR 62 62 59.6 2.3 1.5 60.5 3 200
WR19 19 17.9 1.75 1.2 18.4 28 900 WR 63 63 60.6 2.3 1.5 61.5 3 100
WR20 20 18.7 1.75 1.2 19.2 26 200 WR 64 64 61.6 2.3 1.5 62.5 0 2 900
ʵ0.19
WR21 21 19.7 1.75 1.2 20.2 23 400
WR 65 65 62.6 2.3 1.5 63.5 2 800
WR22 22 20.7 1.75 1.2 21.2 20 800 WR 68 68 65.4 2.8 2 66.2 2 900
WR23 23 21.7 1.75 1.2 22.2 19 500 WR 70 70 67.4 2.8 2 68.2 2 700
0
WR24 24 22.5 1.75 1.2 23 ʵ0.13 18 100 WR 72 72 69.4 2.8 2 70.2 2 600
WR25 25 23.5 1.75 1.2 24 16 400 WR 73 73 70.4 2.8 2 71.2 2 500
WR26 26 24.5 1.75 1.2 25 14 800 WR 75 75 72.4 2.8 2 73.2 2 300
WR28 28 26.5 2.3 1.5 27 15 400
WR 80 80 77.4 2.8 2 78.2 1 950
WR29 29 27.5 2.3 1.5 28 14 400 WR 85 85 82 3.4 2.5 83 2 300
WR30 30 28.5 2.3 1.5 29 13 200 WR 90 90 87 3.4 2.5 88 2 000
0
WR32 32 30.2 2.3 1.5 30.8 13 300 ʵ0.22
0 WR 95 95 92 3.4 2.5 93 1 750
WR35 35 33.2 2.3 1.5 33.8 ʵ0.16 10 700
WR100 100 97 3.4 2.5 98 1 560
B-227
