SKF Needle Roller Bearing Rna Rna4902 Without Inner Ring
1. Instruction of Needle Roller Bearings:
Needle roller bearings are roller bearings with cylindrical rollers that are small in diameter. Despite their low cross section, needle roller bearings have a high load carrying capacity and are therefore extremely suitable for bearing arrangements where radial space is limited.
2. Needle roller bearings design include:
- Solid Cup Needle Roller Bearings
- Cage and Needle Roller Assemblies
- Inner rings for Needle Roller Bearings
- Cam and Roller Followers
- Needle Rollers
- Needle Roller Thrust Bearings
- Combined Needle Roller Bearings
Model HK, TA, TLA, open-end drawn cup needle roller bearings with retainer,
Model BK close-end drawn cup needle roller bearing with retainer,
Model SCE, BA, J, JH, drawn cup needle roller bearings (Inch series).
3. Application:
Automotive transmissions, air-conditioner compressors, bulldozer blades, overhead traveling cranes, gearboxes, machine tool spindles, copying machines and many more.
4. General Drawings of some types of Needle Roller Bearings:
5. More Part Numbers of Needle Roller Bearings We Produce:
Â
model |
inner diameter |
outer diameter |
width |
HJ101812 |
15.8750 |
28.5750 |
19.0500 |
HJ101816 |
15.8750 |
28.5750 |
25.4000 |
HJ122012 |
19.0500 |
31.7500 |
19.0500 |
HJ122016 |
19.0500 |
31.7500 |
25.4000 |
HJ142212 |
22.2250 |
34.9250 |
19.0500 |
HJ142216 |
22.2250 |
34.9250 |
25.4000 |
HJ162412 |
25.4000 |
38.1000 |
19.0500 |
HJ162416 |
25.4000 |
38.1000 |
25.4000 |
HJ182616 |
28.5750 |
41.2750 |
25.4000 |
HJ182620 |
28.5750 |
41.2750 |
31.7500 |
HJ202816 |
31.7500 |
44.4500 |
25.4000 |
HJ202820 |
31.7500 |
44.4500 |
31.7500 |
HJ223016 |
34.9750 |
47.6250 |
25.4000 |
HJ223020 |
34.9250 |
47.6250 |
31.7500 |
HJ243316 |
38.1000 |
52.3875 |
25.4000 |
HJ243320 |
38.1000 |
52.3875 |
31.7500 |
HJ263516 |
41.2750 |
55.5625 |
25.4000 |
HJ263520 |
41.2750 |
55.5625 |
31.7500 |
HJ283716 |
44.4500 |
58.7375 |
25.4000 |
HJ283720 |
44.4500 |
58.7375 |
31.7500 |
HJ303920 |
47.6250 |
61.9125 |
31.7500 |
HJ324116 |
50.8000 |
65.0875 |
25.4000 |
HJ324120 |
50.8000 |
65.0875 |
31.7500 |
HJ364824 |
57.1500 |
76.2000 |
38.1000 |
HJ364828 |
57.1500 |
76.2000 |
44.4500 |
HJ405224 |
63.5000 |
82.5500 |
38.1000 |
HJ405228 |
63.5000 |
82.5500 |
44.4500 |
HJ445616 |
69.8500 |
88.9000 |
25.4000 |
HJ445624 |
69.8500 |
88.9000 |
38.1000 |
HJ445628 |
69.8500 |
88.9000 |
44.4500 |
HJ486024 |
76.2000 |
95.2500 |
38.1000 |
HJ486028 |
76.2000 |
95.2500 |
44.4500 |
HJ526828 |
82.5500 |
 |
44.4500 |
HJ567232 |
88.9000 |
 |
50.8000 |
HJ607632 |
95.2500 |
 |
50.8000 |
Â
| Shaft diameter | Bearing Modle | weight | Dimension | Rated load | Limiting Speed | |||||
| Mass | Â | Â | Â | Â | Â | Â | Â | |||
| Shaft | Bearing Designation | Approximate value | Boundary Dimensions | Basic Load Rating | Limiting Speed | |||||
| Diameter | Â | Â | Approx | d | Fw | D | B | Dynamic | Static | Oil |
| N | N | |||||||||
| mm | CurrentCode | OriginalCode | g | mm | N | rpm | ||||
| 5 | NA495 | Â | 7 | 5 | Â | 13 | 10 | 2670 | 2350 | 34000 |
| NA495TN | Â | 7 | 5 | Â | 13 | 10 | 2670 | 2350 | 34000 | |
| 6 | NA496 | Â | 9 | 6 | Â | 15 | 10 | 3150 | 3000 | 32000 |
| 7 | NA497 | Â | 12 | 7 | Â | 17 | 10 | 3600 | 3650 | 30000 |
| 8 | NKI8/16 | Â | Â | 8 | 14 | 25 | 16 | 12400 | 11300 | 21500 |
| NA498 | Â | 16 | 8 | Â | 19 | 11 | 4300 | 3950 | 28000 | |
| 9 | NKI9/12 | Â | 16.6 | 9 | 12 | 19 | 12 | 6200 | 7000 | 21700 |
| NA499 | Â | 17 | 9 | Â | 20 | 11 | 4850 | 4900 | 26000 | |
| NKI9/16 | Â | 21.9 | 9 | Â | 19 | 16 | Â | Â | Â | |
| 10 | NKI10/16 | Â | 27.3 | 10 | 14 | 22 | 16 | GAC CAR GAC Car,Gac Aian Aion,Gac Aian Aion Car,Younger Pure Electric Vehicle Xi'an Luguang Xincheng Trading Co., Ltd , https://www.lgxc-autosales.com | ||