Needle roller bearings are bearings with cylindrical rollers that are small in diameter relative to their length. The modified roller/raceway profile prevents stress peaks to extend bearing service life.
Inquiry | Bearing Designation | Shaft Diameter(mm) | Weight(Kg) | Boundary Dimensions(mm) | Basic Load Rating(N) | Limiting Speed(rpm) | ||||
---|---|---|---|---|---|---|---|---|---|---|
Current Code | Original Code | Fw | D | C | Dynamic | Static | Oil | |||
HK4516 | 47941/45 | 45 | 46.2 | 45 | 52 | 16 | 19300 | 38000 | 5800 | |
HK4512-K | 45 | 45 | 52 | 12 | ||||||
HK4512 | 27941/45 | 45 | 34.8 | 45 | 52 | 12 | 12900 | 22500 | 5800 | |
HK50X60X38 | 55 | 140 | 50 | 60 | 38 | 27770 | 63100 | 4600 | ||
HK5025 | 7943/50 | 50 | 90.1 | 50 | 58 | 25 | 34500 | 80000 | 5300 | |
HK5020 | 57941/50 | 50 | 72 | 50 | 58 | 20 | 28000 | 60000 | 5300 | |
HK5012 | 27941/50 | 50 | 44.2 | 50 | 58 | 12 | 23600 | 57200 | 5300 | |
HK50X57X16 | 50 | 51.2 | 50 | 57 | 16 | 15200 | 32500 | 5300 | ||
HK5528 | 87941/55 | 55 | 111 | 55 | 63 | 28 | 39090 | 98000 | 4600 | |
HK5525 | 77941/55 | 55 | 109 | 55 | 63 | 25 | 33200 | 69980 | 4600 | |
HK5520 | 57941/55 | 55 | 78 | 55 | 63 | 20 | 29500 | 59900 | 4600 | |
HK6020 | 57941/60 | 60 | 86 | 60 | 68 | 20 | 30500 | 72000 | 4100 | |
HK6032 | 87941/60 | 60 | 136 | 60 | 68 | 32 | 50000 | 131000 | 4100 | |
HK6012 | 60 | 49.2 | 60 | 68 | 12 | 12400 | 29000 | 4100 | ||