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B725-1 NSK Ball Bearing

NSK  Four-Row Tapered Roller Bearings, KV (TQO)

Roll neck bearings for rolling mills are limited in size by the roll neck diameter and minimum roll diameter. Four-row tapered roller bearings are designed to have the

highest possible load rating within this limited space. This type of bearing has two double-cone assemblies, two cups, one double cup, and three spacers. The bearings have their internal clearance adjusted for each set, so it is necessary to assemble them correctly in accordance with their serial numbers and matching symbols.

 

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NSK SINGLE-ROW DEEP GROOVE BALL BEARINGS.

Various part numbers in stock, welcome inquiry. Fast shipment within 2-3 working days.

Bearing Numbers Abutment and Fillet Dimensions (mm) Mass
da Da ra (kg)
B145-1 163 204 2 5.15
B150-6 168 214 2 5.42
B150-8 170 260 2.5 13
B160-51 176 216 2 4.45
B160-4 176 216 2 4.76
B160-3 178 233 2 6.96
B170-13 187 235 2 6.27
B170-51 189 238 2 6.88
B180-3 197 245 2 5.82
B180-10 197 250 2 6.41
B185-1 202 255 2 7.24
B190-3A 207 245 2 5.09
B190-5 210 253 2 6.09
B190-5A
210 253 2 6.06
B190-12 210 263 2 8.08
6940X 220 263 2 7.21
B200-1 220 272 2 8.41
B210-4
230 282 2 8.57
B220-2 241 292 2 9.07
B220-51 241 302 2 12.2
B220-7 241 302 2 13.4
B230-7 251 312 2 11
B230-5 251 312 2 11.4
B230-6A 251 312 2 11.3
B230-51 253 319 2.5 14
B240-8 262 312 2 9.85
B240-7 262 312 2 9.99
B240-13 262 318 2 10.8
B250-3 272 331 2 13.6
B260-2 282 351 2 16.1
B260-14 282 351 2 17.6
B260-51 288 356 3 21
6052X1 288 375 3 29.3
B270-2 293 361 2 16.8
B280-5 303 370 2 17.1
6056X1 308 395 3 31.1
B290-1 319 376 3 19.3
B290-2 316 388 2.5 22.9
B290-5 316 388 2.5 24.7
B290-52 323 391 4 26.8
6960X 326 398 2.5 23.8
B305-1 334 419 3 35.8
B310-2 340 405 3 25.6
B320-3 347 427 2.5 28.5
B340-5 368 427 2.5 23.2
B340-51X 371 454 3 36.3
B340-51 371 454 3 36.5
B340-2 375 509 4 78.2
B360-6 396 479 4 44.5
6072X1 396 509 4 65
B390-5 423 522 3 58.7
B400-3 444 680 5 236
6948X1 454 532 3 43.4
B440-3 475 571 3 63.6
B450-2 485 600 3 78.6
B480-3 527 650 5 114
B500-11 548 649 5 106
B500-3 541 666 4 106
B510-2 544 687 2.5 159
B530-1 579 719 5 147
B540-2 589 758 5 199
B550-2 593 705 4 109
60/560X 610 777 5 203
B570-3 620 757 5 173
B590-1 628 825 2.5 282
B600-15 658 820 6 217
B610-7 662 807 5 173
B610-3 662 826 5 225
B700-1 756 933 5 348
B725-1 782 953 5 338
B760-1 824 1 027 6 451
B820-1 887 1 105 6 547
B820-1A 887 1 105 6 547
B820-1C 887 1 105 6 547
B840-1 907 1 104 6 450
B850-2 918 1 123 6 535

WHCD Bearing Co.,Ltd is professional bearing supplier, engaged in bearing business with more than eighteen years, export to worldwide countries, as America, European, Middle-East, Southeast Asia …etc. with plenty long-term cooperation customers. WHCD Bearing company will provide professional and prompt solution for customers.Original Quality and Warranted, and Bearing experts team support customer service. Various bearing types for customer choose:  

Bearing Types:
Self-aligning ball bearing
Cylindrical roller bearing
Spherical roller bearing
Tapered roller bearing
Angular contact ball
Needle roller
Deep groove ball bearing
Axial deep groove ball
Pillow block bearing and units
LM/Linear Guide
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