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.
The cylindrical roller bearings manufactured in our factory feature ultra-high radial load-carrying capacity, excellent structural rigidity, low-friction stable operation and high-precision rotational performance. Adopting line contact design between rollers and raceways, they deliver minimal operational deformation, reliable thermal stability and flexible axial displacement compensation, perfectly adapting to high-speed, heavy-duty and continuous cycling working conditions with predominant radial loads. They are widely applicable to high-precision CNC machine tool spindles, industrial gearboxes, new energy motor assemblies, large electro-hydraulic equipment, wind power transmission systems, lifting and conveying machinery, high-speed fans and water pumps, precision printing and textile machinery, automotive engine and transmission systems, compressors and office automation equipment, as well as various heavy industrial and precision mechanical equipment.
| Product Name |
Cylindrical roller bearing N303EM 2303EH |
| Material |
Chrome steel (GCr15);Stainless steel |
| Number of Row |
Single Row |
| Cylindrical Roller Bearing series |
N;NJ NU NF NUP;RN;NCFseries
NN;NNU;NNFseries
Four-row cylindrical roller bearing 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 |
Old model |
Principal Dimension |
Basic Load Ratings(KN) |
Speed ratings(r/min) |
Weight (kg) |
| d |
D |
B |
Dynamic |
Static |
Grease |
Oil |
| N303EM |
2303EH |
17 |
47 |
14 |
30 |
31 |
25000 |
13000 |
0.1 |
| N304EM |
2304EH |
20 |
52 |
15 |
41 |
25 |
23000 |
11000 |
0.18 |
| N305EM |
2305EH |
25 |
62 |
17 |
49 |
37.5 |
21500 |
10100 |
0.201 |
| N306EM |
2306EH |
30 |
72 |
19 |
61 |
48 |
18500 |
5900 |
0.41 |
| N307EM |
2307EH |
35 |
80 |
21 |
76 |
63 |
16400 |
7900 |
0.56 |
| N308EM |
2308EH |
40 |
90 |
23 |
96 |
79 |
14200 |
7100 |
0.815 |
| N309EM |
2309EH |
45 |
100 |
25 |
116 |
99 |
9800 |
6400 |
0.893 |
| N310EM |
2310EH |
50 |
110 |
27 |
131 |
114 |
11600 |
6000 |
1.32 |
| N311EM |
2311EH |
55 |
120 |
29 |
159 |
139 |
10400 |
5500 |
1.77 |
| N312EM |
2312EH |
60 |
130 |
31 |
177 |
157 |
9600 |
5200 |
2.12 |
| N313EM |
2313EH |
65 |
140 |
33 |
214 |
191 |
8800 |
4800 |
2.53 |
| N314EM |
2314EH |
70 |
150 |
35 |
242 |
222 |
8200 |
4500 |
3.09 |
| N315EM |
2315EH |
75 |
160 |
37 |
285 |
265 |
7600 |
4150 |
3.96 |
| N316EM |
2316EH |
80 |
170 |
39 |
300 |
275 |
7200 |
4100 |
4.58 |
| N317EM |
2317EH |
85 |
180 |
41 |
340 |
325 |
6800 |
6800 |
5.38 |
| N318EM |
2318EH |
90 |
190 |
43 |
370 |
350 |
6300 |
3650 |
6.1 |
| N319EM |
2319EH |
95 |
200 |
45 |
390 |
380 |
6100 |
3550 |
7.06 |
| N320EM |
2320EH |
100 |
215 |
47 |
450 |
425 |
5800 |
5600 |
8.85 |
| N321EM |
2321EH |
105 |
225 |
49 |
480 |
465 |
5200 |
3500 |
10.7 |
| N322EM |
2322EH |
110 |
240 |
50 |
520 |
510 |
5000 |
2950 |
12.1 |
| N324EM |
2324EH |
120 |
260 |
55 |
610 |
600 |
4550 |
2650 |
15.9 |
| N326EM |
2326EH |
130 |
280 |
58 |
720 |
720 |
4250 |
2340 |
18 |
| N328EM |
2328EH |
140 |
300 |
62 |
790 |
800 |
3950 |
2170 |
22 |
| N330EM |
2330EH |
150 |
320 |
65 |
900 |
930 |
3650 |
1940 |
27.8 |
| N332EM |
2332EH |
160 |
340 |
68 |
860 |
1060 |
3000 |
1770 |
32.6 |
| N334EM |
2334EH |
170 |
360 |
72 |
960 |
1210 |
2800 |
1610 |
38.4 |
| N336EM |
2336EH |
180 |
380 |
75 |
1020 |
1290 |
1500 |
2200 |
42.7 |
| N338EM |
2338EH |
190 |
400 |
78 |
1140 |
1500 |
1400 |
2000 |
50.3 |





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