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Yakang Bearing Supplies Co. LTD
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Payment Terms: | T/T,L/C |
Place of Origin: | Beijing, China (Mainland) |
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SKF Explorer bearing: | QJ 336 N2MA |
Type: | Four-point contact ball bearings |
Bore diameter: | 180 mm |
Outer diameter: | 380 mm |
Depth: | 75 mm |
Dynamic load rating: | 680,000 N |
Static load rating: | 1100, 000 N |
Fatigue load limit: | 28,000 N |
Reference speed: | 2200 r/min |
Limiting speed: | 3000 r/min |
Bearing weight: | 47.5 KGS |
Tolerance: | P6 dimensional accuracy, P5 running accuracy |
Bearing suffix N2: | Two locating slots in the outer ring , positioned at 180·C to each other. |
Bearing cage: | A machined window-type brass cage, ball centred |
Clearance, preload: | Normal clearance CB or light preload GA are standard |
Contact: sales(at)hzskf.cn skype: lovejoanna8
SKF four point contact ball bearings are usually mounted with an interference fit onto the shaft. Bearings up to a 50 mm diameter bore can usually be mounted mechanically. But it is not possible to mount larger bearings when they are cold, as the force required to mount the bearing increases considerably with its size. Therefore, the larger SKF bearings should be heated prior to mounting.
Yakang Bearing Supplies were engaged in distributing SKF four point angular contact ball bearings over many years.
SKF bearings | d | D | B |
mm | mm | mm | |
QJ 203 N2MA | 17 | 40 | 12 |
QJ 303 N2MA | 17 | 47 | 14 |
QJ 304 N2PHAS | 20 | 52 | 15 |
QJ 304 N2MA | 20 | 52 | 15 |
QJ 305 N2MA | 25 | 62 | 17 |
QJ 306 N2MA | 30 | 72 | 19 |
QJ 307 N2MA | 35 | 80 | 21 |
QJ 308 N2MA | 40 | 90 | 23 |
QJ 309 N2MA | 45 | 100 | 25 |
QJ 311 N2MA | 55 | 120 | 29 |
QJ 312 N2MA | 60 | 130 | 31 |
QJ 213 N2MA | 65 | 120 | 23 |
QJ 314 N2MA | 70 | 150 | 35 |
QJ 315 N2MA | 75 | 160 | 37 |
QJ 316 N2MA | 80 | 170 | 39 |
QJ 317 N2MA | 85 | 180 | 41 |
QJ 318 N2MA | 90 | 190 | 43 |
QJ 319 N2MA | 95 | 200 | 45 |
QJ 320 N2MA | 100 | 215 | 47 |
QJ 322 N2MA | 110 | 240 | 50 |
QJ 324 N2MA | 120 | 260 | 55 |
QJ 326 N2MA | 130 | 280 | 58 |
QJ 328 N2MA | 140 | 300 | 62 |
QJ 230 N2MA | 150 | 270 | 45 |
QJ 330 N2MA | 150 | 320 | 65 |
QJ 1030 N2MA | 150 | 225 | 35 |
QJ 332 N2MA | 160 | 340 | 68 |
QJ 232 N2MA | 160 | 290 | 48 |
QJ 1032 N2MA | 160 | 240 | 38 |
QJ 334 N2MA | 170 | 360 | 72 |
QJ 234 N2MA | 170 | 310 | 52 |
QJ 236 N2MA | 180 | 320 | 52 |
QJ 336 N2MA | 180 | 380 | 75 |
QJ 338 N2MA | 190 | 400 | 78 |
QJ 238 N2MA | 190 | 340 | 55 |
QJ 1038 N2MA | 190 | 290 | 46 |
QJ 344 N2MA | 220 | 460 | 88 |
Under the proper conditions, SKF four point contact ball bearings can run for an extremely long time. For them to run at least as long as they should, operating conditions must be optimized. Decades of troubleshooting experience in virtually every industrial sector enables SKF bearings to provide solutions that improve machine performance and productivity.