IR45x50x35 INA needle roller bearings inner ring 45x50x35
Fw: 58mm
D: 72mm
C: 40mm
r min: 0.6mm
Mass: 310.0g
Basic dynamic load rating, radial: 82000N
Basic static load rating, radial: 13900N
Fatigue limit load, radial: 23400N
Limiting speed: 7500 1/min
About BHR Bearing ( Shenzhen Qinggong Bearing Co, Ltd.)
Shenzhen Qinggong Bearing Co., Ltd. （www.bhrbearing.cn）is a well-know bearing manufacturer in China since the year 1996 with its own factory. Despite our own BHR bearings, we also distribute kinds of famous branded bearings from worldwide manufacturers SKF bearings, FAG bearings, NSK bearings, KOYO bearings, NTN bearings, NACHI bearings, ASAHI bearings, TOYOTA auto bearings......and OEM can also be supplied.
We BHR bearing is focused and committed to deliver our customers high quality products and solutions because they are at the core of everything we do. By combining technology with our design engineering expertise we are able to offer a breadth of advanced bearings and solutions. With variety of bearings, competitive prices, fast delivery and good after-sale service, hope we will get a chance to talk bearings together.
Needle roller bearing size list:
| Shaft Dia. | Model No. | D | C | rs | Da max | Dyn. C | Sta. C | Rotation Speed | Weight |
| mm | mm | mm | min | rpm | g |
| 5 | RNA493 | 11 | 10 | 0.15 | 9.8 | 2420 | 1950 | 80 000 | 4.6 |
| 6 | RNA494 | 12 | 10 | 0.15 | 10.8 | 2700 | 2320 | 70 000 | 5.3 |
| 7 | RNA495 | 13 | 10 | 0.15 | 11.8 | 2960 | 2690 | 60 000 | 5.9 |
| 8 | RNA496 | 15 | 10 | 0.15 | 13.8 | 3960 | 3420 | 50 000 | 7.4 |
| 9 | RNA497 | 17 | 10 | 0.15 | 15.8 | 4530 | 3650 | 45 000 | 9.3 |
| 10 | RNA498 | 19 | 11 | 0.2 | 17.4 | 6180 | 5030 | 40 000 | 12.6 |
| 12 | RNA499 | 20 | 11 | 0.3 | 18 | 6600 | 6310 | 35 000 | 13.6 |
| 14 | RNA4900 | 22 | 13 | 0.3 | 20 | 9230 | 10100 | 30 000 | 16.5 |
| 16 | RNA4901 | 24 | 13 | 0.3 | 22 | 9660 | 11100 | 25 000 | 18.1 |
| 16 | RNA6901 | 24 | 22 | 0.3 | 22 | 17100 | 23000 | 25 000 | 30 |
| 18 | RNA49/14 | 26 | 13 | 0.3 | 24 | 10600 | 12800 | 20 000 | 19.9 |
| 20 | RNA4902 | 28 | 13 | 0.3 | 26 | 10900 | 13800 | 20 000 | 21.5 |
| 20 | RNA6902 | 28 | 23 | 0.3 | 26 | 19300 | 28800 | 20 000 | 37 |
| 22 | RNA4903 | 30 | 13 | 0.3 | 28 | 11700 | 15600 | 18 000 | 23.5 |
| 22 | RNA6903 | 30 | 23 | 0.3 | 28 | 20800 | 32500 | 18 000 | 40.5 |
| 25 | RNA4904 | 37 | 17 | 0.3 | 35 | 21000 | 25000 | 16 000 | 55.5 |
