Page 290 - needle bearings

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
WR105 105 101.7 3.4 2.5 102.7 1 390 WR270 270 263 7.5 4 265 380
WR280 280 273 7.5 4 275 360
WR110 110 106.7 3.4 2.5 107.7 0 1 240
ʵ0.22 WR285 285 278 7.5 4 280 350
WR115 115 111.7 3.4 2.5 112.7 1 100
WR120 120 116.7 3.4 2.5 117.7 1 000 WR290 290 283 7.5 4 285 0 340
ʵ0.32
WR300 300 293 7.5 4 295 300
WR125 125 121.7 3.4 2.5 122.7 920
WR305 305 298 7.5 4 300 290
WR130 130 126.7 3.4 2.5 127.7 830
WR135 135 131.6 4 2.5 132.4 830 WR310 310 303 7.5 4 305 280
WR320 320 313 7.5 4 315 260
WR140 140 136.6 4 2.5 137.4 760
WR330 330 323 7.5 4 325 240
WR145 145 141.6 4 2.5 142.4 690
WR150 150 146.6 4 2.5 147.4 640 WR340 340 333 7.5 4 335 220
0
ʵ0.25 WR350 350 343 7.5 4 345 210
WR155 155 151.6 4 2.5 152.4 590
WR360 360 353 7.5 4 355 190
WR160 160 156.6 4 2.5 157.4 550 0
ʵ0.36
WR165 165 161.6 4 2.5 162.4 500 WR370 370 363 7.5 4 365 180
WR380 380 373 7.5 4 375 170
WR170 170 166.6 4 2.5 167.4 470
WR390 390 383 7.5 4 385 160
WR175 175 171.6 4 2.5 172.4 440
WR400 400 393 7.5 4 395 150
WR180 180 175.6 5 3 177 430
WR185 185 180.6 5 3 182 590
WR190 190 185.6 5 3 187 540
WR195 195 190.6 5 3 192 510
WR200 200 195.6 5 3 197 480
WR210 210 205.6 5 3 207 420
0
WR220 220 215.6 5 3 217 ʵ0.29 380
WR225 225 220.6 5 3 222 360
WR230 230 225.6 5 3 227 350
WR240 240 235.6 5 3 237 310

WR250 250 245.6 5 3 247 270
WR260 260 253 7.5 4 255 430
0
WR265 265 258 7.5 4 260 ʵ0.32 410

B-228