Our factory professional manufacturer of precision bearings. We have over 60 automated and intelligent production lines to ensure stable and large-scale supply. At the same time, we also offer customized non-standard bearings and one-stop services for special working conditions. The company has independent import and export rights, and its product quality is reliable with stable overall performance. Over the years, our products have won the trust of a wide range of customers and have been sold globally to countries and regions such as the United States, the United Kingdom, Germany, France, Italy, Russia, Poland, Spain, Portugal, South Korea, Indonesia, Malaysia, Thailand, Vietnam, Myanmar, Turkey, etc.
Our factory’s needle roller bearings feature high rigidity and outstanding heavy radial load capacity with compact radial size. Optimized rollers and raceways reduce friction, deformation and wear, boost heat dissipation and extend service life. The separable structure allows easy mounting, disassembly and part replacement for simple maintenance and lower costs.Suitable for low-to-medium speed, heavy-load and limited-space working conditions, they are widely used in auto parts, textile, hydraulic, construction and agricultural machinery, meeting strict heavy-load demands of various compact equipment.
| Product Name |
Needle Roller Bearing NA4905 |
| Material |
Chrome Steel (GCr15);Stainless Steel |
| Needle roller bearing series |
NA NK NKI NKX NKIB HK HF KR NUKR NAV AXK RNA RNAV RNA ZARN series
|
| Packaging Detail |
1.Industrial packaging: plastic bag+kcraft paper+carton+plywood pallets; plastic tube+carton+plywood pallets 2.Commerical packaging: 1pc/plastic bag+color box+carton+plywood pallets 3.As client's requirement |

| Designation |
Principal Dimension |
Basic Load Ratings |
Speed ratings |
Weight |
| d |
D |
B |
Dynamic |
Static |
Grease |
Oil |
kg |
| NA4900 |
10 |
22 |
13 |
7.6 |
9.1 |
31000 |
20000 |
0.025 |
| NA4901 |
12 |
24 |
13 |
8.6 |
11.1 |
28000 |
17000 |
0.028 |
| NA4902 |
15 |
28 |
13 |
9.05 |
12.6 |
23000 |
14000 |
0.036 |
| NA4903 |
17 |
30 |
13 |
9.6 |
14 |
21000 |
12000 |
0.04 |
| NA4904 |
20 |
37 |
17 |
15.9 |
21.1 |
18000 |
11000 |
0.081 |
| NA4905 |
25 |
42 |
17 |
18.3 |
26.9 |
15000 |
9500 |
0.096 |
| NA4906 |
30 |
47 |
17 |
19.9 |
31.3 |
13000 |
9500 |
0.11 |
| NA4907 |
35 |
55 |
20 |
26.9 |
49 |
11000 |
8500 |
0.186 |
| NA4908 |
40 |
62 |
22 |
32.6 |
58.5 |
9700 |
8000 |
0.249 |
| NA4909 |
45 |
68 |
22 |
33.2 |
61.9 |
9000 |
7000 |
0.294 |
| NA4910 |
50 |
72 |
22 |
35.6 |
70.2 |
8100 |
7000 |
0.298 |
| NA4911 |
55 |
80 |
25 |
44.4 |
87.2 |
7500 |
6000 |
0.428 |
| NA4912 |
60 |
85 |
25 |
45.8 |
93.3 |
6900 |
5500 |
0.459 |
| NA4913 |
65 |
90 |
25 |
66.1 |
114 |
6400 |
5000 |
0.45 |
| NA4914 |
70 |
100 |
30 |
86.4 |
157 |
5700 |
4700 |
0.733 |
| NA4915 |
75 |
105 |
30 |
88 |
164 |
5400 |
4300 |
0.773 |
| NA4916 |
80 |
110 |
30 |
91.6 |
176 |
5100 |
4100 |
0.819 |
| NA4917 |
85 |
120 |
35 |
110 |
230 |
4600 |
3800 |
1.25 |
| NA4918 |
90 |
125 |
35 |
111 |
238 |
4400 |
3600 |
1.31 |
| NA4919 |
95 |
130 |
35 |
115 |
253 |
4200 |
3400 |
1.37 |
| NA4920 |
100 |
140 |
40 |
144 |
296 |
4000 |
3100 |
1.86 |
| NA4922 |
110 |
150 |
40 |
149 |
317 |
3700 |
3000 |
2.01 |
| NA4924 |
120 |
165 |
45 |
192 |
398 |
3400 |
2800 |
2.78 |
| NA4926 |
130 |
180 |
50 |
225 |
508 |
3000 |
2900 |
3.83 |
| NA4928 |
140 |
190 |
50 |
232 |
540 |
2800 |
2600 |
4.08 |
| NA4930 |
150 |
210 |
60 |
250 |
488 |
1920 |
2300 |
6.38 |
| NA4932 |
160 |
220 |
60 |
260 |
520 |
1760 |
2000 |
6.75 |
| NA4934 |
170 |
230 |
60 |
280 |
552 |
1680 |
1800 |
7.11 |
| NA4936 |
180 |
250 |
69 |
300 |
712 |
1600 |
1600 |
10.2 |






FAQ
Q1:Why choose us ?
A1:Our company have over 20 years of experience in manufacturing and selling bearings
Strict Inspection ,and the best quality price with reasonable price bearings provided .
OEM service provided.
After sale service at any time .
Q2:What brand you could provided ?
A2:Our brand is WRM, we also offer OEM service .
Q3:MOQ?
A3:MOQ is 10pcs each model.
Q4:Customlzed Logo?
A4:We can provide OEM service,print your logo on the bearing and packing box.
Q5:Payment?
A5:We accept T/T (Bank Wire),Western Union,Paypal,L/C.Buyer can pay in USD
AUD,CAD,SGD,EUR,GBP,HKD,JPY and cash.
Q6:Your product certifications ?
A5:ISO 9001:2008 , ISO 9001:2000