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Cylindrical roller bearing is a kind of separable bearings, convenient for its assembly and disassembly especially it has the advantages in a condition that the interference is required and assorted with inner ring, outer ring and housing. The bearings consist of the cage, the rollers and guided by two capped edges on a ring. It is a separable bearing
Single Row Cylindrical Roller Bearing
1.N NU: N type without outer ring wall but with both inner ring wall; NU type with both outer ring wall but without inner ring wall
2.NJ NF: NJ type with both outer ring wall but with single inner ring wall; NF type with single outer ring wall but with both inner ring wall
3.NUP NFP: NUP type with both outer ring wall but with one fixed inner ring wall and the other separate flat ring wall; NFP with one fixed outer ring wall and the other separate ring wall but with both inner ring wall
4. NH (NJ+HJ): combined NJ with HJ
Double Row Cylindrical Roller Bearing
1.NN NNU: NN type without outer ring wall but with both inner ring wall and middle wall; NNU type with both outer ring wall and middle wall but without inner ring wall
NNF: double row full cylindrical roller bearing, outer ring with middle wall, and both inner ring wall, both contacted seals.
Specification of cylindrical roller motor bearing:
Item | Specification |
Type | Motorbearing |
Dimension(dxDxB) | 160x200x40mm |
Outer Ring | Chrome steel |
Inner Ring | Chrome steel |
Cage | Steel sheet |
Precision Grade | P0 ( ABEC1 ), P6 ( ABEC-3 ), P5 ( ABEC-5 ) |
Vibration Grade | Z1V1 Z2V2 Z3V3 |
Dynamic Load Rate(KN) | 237 |
Static Load Rate(KN) | 560 |
Limiting speed | 1800 |
Ref. Speed | 1180 |
Mass | 3kg |
The type we can supply :
Cylindrical Roller Bearings | NU1004 series | NU1004 1005 1006 1008 1010 1011 1012 1013 1014 1018 1021 1022 1024 1026 1028 3028 1030 1032 1034 1036 1038 1040 1044 1048 1052 1056 1060 1064 1068 1072 1076 1080 |
NN3005 | NN3005 3006 3007 3008 3009 3010 3011 3012 3013 3014 3015 3016 3017 3018 3019 3020 3021 3022 3024 3026 3028 3030 3032 3034 3036 3038 3040 3044 3048 3052 3056 3060 3064 3068 3072 3076 3080 3092 | |
N/RNU/NJ/NF/NUP/NU202 | 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 224 226 228 230 232 234 236 238 240 244 248 252 260 | |
NU/N/NF/NJ/RNU/NUP 303 | 303 304 305 306 307 308309 310 311 312 313 314 315 316 317 318 319 320 321 322 324 326 328 330332 334 336 338 340 344 348 360 | |
NJ202 | NJ202 203 204 205 206 207 208 209 210 211 212 213 214 215 | |
NF203 | 203 204 205 206 207 208 209 210 211 212 213 214 215 | |
NUP | 202 203 204 205 206 207 208 209 210 211 212 213 214 215 |
How to expand the lifetime of cylindrical roller motor bearing:
1. The installation is correct, that affects precision, life, performance. And fill the bearing with lubricant after installation.
2. Don't allow strong impact, such as hammer striking, transfer roller pressure
3. Use the accurate installation tool, avoid to use cloth kind and short fibers
4. Lubricate the bearing to avoid rust with high quality mineral oil, especially in summer
5. General inspection, such as the surrounding temperature, vibrate, noise inspection
6. Keep bearing cleaning from dirt, dust, pollutant, moisture.
7. Bearing should not be ultra cooled.