Based on many years of experience and recorded success in the area of multi-roll mills,Jiayu supplies high-durability,high-precision cylindrical roller bearings for backing shafts(backing bearing).
背衬轴承有多种设计和变型。主要产品是双列或三列圆柱滚子轴承。此外,还有单列滚针轴承和双列圆锥滚子轴承。
Our backingup bearing are mainly used to roll Silicon plate or sthin-section steel plate. These bearings have a particularly thick-walled outer ring and can be mounted on stationary support shafts to form backup or straightening rolls. Our backing bearings are used on the eight support shafts of a 20-roll mill.
高度差可以达到 0.005 毫米,甚至 0.0025 毫米。
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维护和返工
辊子中间的支撑轴承比辊子两端的轴承承受更大的负荷。由于中间轴承的磨损比其他轴承大,因此应更频繁地更换。
重新加工后,必须对外圈进行清洁、重新测量、标记,并与适当的滚子互补件或滚子和保持架组件以及内圈重新组装,以形成完整的背衬轴承。此外,还必须重新划分截面高度组。
| 型号 | Main dimensions(mm) | Rated load | Weight(Kg) | SKF | FAG | |||||
| d | D | B | C | H | Cr | Cor | ||||
| BC2515 | 25 | 55 | 31.2 | 30.5 | 15 | 39 | 42 | 0.4 | WGTR25×55×31.2 | |
| BC3522.5 | 35 | 80 | 40 | 39.2 | 22.5 | 89 | 103 | 1.2 | WGTR35×80×40 | |
| BC5532.5 | 55 | 120 | 52 | 51.2 | 32.5 | 168 | 218 | 3.4 | WGTR25×55×52 | |
| BC5532.5A | 55 | 120 | 64 | 63.2 | 32.5 | 215 | 300 | 4.2 | WGTR25×65×64 | |
| BC5532.5B | 55 | 120 | 26 | 26 | 32.5 | 58.3 | 95 | 1.7 | 610627B | |
| BC5532.5C | 55 | 120 | 52.2 | 52 | 32.5 | 125 | 275 | 3.5 | 396010 | |
| BC 7045 | 70 | 160 | 75 | 74.2 | 45 | 295 | 380 | 8.9 | WGTR70×160×75 | |
| BC 7045A | 70 | 160 | 90 | 89.2 | 45 | 395 | 550 | 10.7 | WGTR70×160×90 | |
| BC 7044.98 | 70 | 160 | 90 | 90 | 44.98 | 358 | 585 | 10.5 | 315268B | |
| BC 7044.98A | 70 | 160 | 90 | 90 | 44.98 | 314 | 475 | 12 | ||
| BC 7044.971 | 70 | 160.02 | 90 | 90 | 44.971 | 375 | 650 | 11.4 | Z-540268.02.WGTR | |
| BC 7047.5 | 70 | 165 | 120 | 118 | 47.5 | 319 | 440 | 14.5 | BCZ-0510 | |
| BC9064.98 | 90 | 220 | 120 | 120 | 64.98 | 594 | 930 | 30 | 316737AB | |
| BC9064.98A | 90 | 220 | 120 | 120 | 91.98 | 495 | 735 | 26.5 | 316737AC | |
| BC9065 | 90 | 220 | 94 | 94 | 65 | 512 | 680 | 21.5 | BC2B319343B | |
| BC9065A | 90 | 220 | 120 | 120 | 65 | 528 | 900 | 27 | 316737A | |
| BC9065B | 90 | 220 | 120 | 120 | 65 | 473 | 765 | 26.5 | 316737D/HB1 | |
| BC9065C | 90 | 220.02 | 94 | 94 | 65 | 620 | 870 | 21 | Z-541332.01.WGTR | |
| BC9065D | 90 | 220.02 | 96 | 94 | 65 | 550 | 780 | 22.2 | F-801941.WGTR | |
| BC9065E | 90 | 220.02 | 96 | 94 | 65 | 460 | 630 | 20 | Z-567709.01.WGTR | |
| BC9065F | 90 | 220.02 | 96 | 94 | 65 | 457 | 550 | 20.5 | BCZ-0506 | |
| BC9065G | 90 | 220.02 | 94 | 94 | 65 | 740 | 1100 | 21 | Z-541332.02.WGTR | |
| BC9065H | 90 | 220.02 | 120 | 119 | 65 | 484 | 640 | 26 | BCZ-0507 | |
| BC9065L | 90 | 220.02 | 120 | 120 | 65 | 790 | 1500 | 28.6 | Z-517329.01.WGTR | |
| BC9065.01 | 90 | 220.02 | 120 | 120 | 65.01 | 670 | 1120 | 28.5 | F-808398.WGTR | |
| BC10062.48 | 100 | 225 | 120 | 118 | 62.48 | 495 | 680 | 27 | BCZ0509 | |
| BC10062.48A | 100 | 225 | 120 | 119 | 62.48 | 594 | 815 | 26.9 | BCZ0011 | |
| BC10062.48B | 100 | 225 | 120 | 120 | 62.48 | 660 | 1120 | 28 | 315018A | |
| BC10062.48C | 100 | 225 | 120 | 120 | 62.48 | 572 | 930 | 24.5 | 315018C | |
| BC10062.5 | 100 | 225 | 120 | 118 | 62.5 | 616 | 815 | 26.1 | BC2B326495A/HB1 | |
| BC10062.5A | 100 | 225 | 120 | 119 | 62.5 | 770 | 1310 | 26 | F-801644.02.WGTR | |
| BC10062.5B | 100 | 225 | 120 | 119 | 62.5 | 650 | 1050 | 26 | F-801644.03.WGTR | |
| BC10062.5C | 100 | 225 | 120 | 119 | 62.5 | 710 | 1170 | 26 | Z-566148.WGTR | |
| BC10062.5D | 100 | 225 | 120 | 120 | 62.5 | 735 | 1380 | 27.7 | ||
| BC11074.98 | 110 | 260 | 98 | 98 | 74.98 | 968 | 1430 | 31 | BC2B 322564 | |
| BC11074.98A | 110 | 260 | 110 | 109 | 74.98 | 561 | 695 | 33.5 | BCZ0504 | |
| BC11075 | 110 | 260 | 98 | 98 | 75 | 700 | 1010 | 31.9 | Z-575633.WGTR | |
| BC13084.955 | 130 | 300.02 | 173 | 173 | 84.955 | 1500 | 2700 | Z-512497.03.WGTR | ||