
Professional na 4900 Mini / heavy duty needle roller bearings , Chrome steel bearing
1. High load capacity
2. Small size
3. Good quality
4. high precision
5. Competitive price
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Bearing designation | Bearing Designation | Basic load Ratings | Limiting speed | |||||
d | F | D | B | rs | C | Co | min | |
mm | N | |||||||
NA4900 | 10 | 14 | 22 | 13 | 0.3 | 8500 | 9200 | 25000 |
NA4901 | 12 | 16 | 24 | 13 | 0.3 | 9400 | 10900 | 23000 |
NA4902 | 15 | 20 | 28 | 13 | 0.3 | 10600 | 13600 | 21000 |
NA4903 | 17 | 22 | 30 | 13 | 0.3 | 11000 | 14600 | 20000 |
NA4904 | 20 | 25 | 37 | 17 | 0.3 | 21000 | 25500 | 17000 |
NA49/22 | 22 | 28 | 39 | 17 | 0.3 | 22800 | 29500 | 15000 |
NA4905 | 25 | 30 | 42 | 17 | 0.3 | 23600 | 31500 | 14000 |
NA49/28 | 28 | 32 | 45 | 17 | 0.3 | 24400 | 33500 | 14000 |
NA4906 | 30 | 35 | 47 | 17 | 0.3 | 25000 | 35500 | 13000 |
NA4932 | 32 | 40 | 52 | 20 | 0.6 | 30500 | 47500 | 11000 |
NA4907 | 35 | 42 | 55 | 20 | 0.6 | 31500 | 50000 | 11000 |
NA4908 | 40 | 48 | 62 | 22 | 0.6 | 43000 | 67000 | 9000 |
NA4909 | 45 | 52 | 68 | 22 | 0.6 | 45000 | 73000 | 8500 |
NA4910 | 50 | 58 | 72 | 22 | 0.6 | 47000 | 80000 | 8000 |
NA4911 | 55 | 63 | 80 | 25 | 1 | 58000 | 10000 | 7000 |
NA4912 | 60 | 68 | 85 | 25 | 1 | 60000 | 108000 | 6500 |
NA4913 | 65 | 72 | 90 | 25 | 1 | 61000 | 112000 | 6500 |
NA4914 | 70 | 80 | 100 | 30 | 1 | 84000 | 156000 | 5500 |
NA4915 | 75 | 85 | 105 | 30 | 1 | 86000 | 162000 | 5500 |
NA4916 | 80 | 90 | 110 | 30 | 1 | 89000 | 174000 | 5000 |
NA4917 | 85 | 100 | 120 | 35 | 1.1 | 111000 | 237000 | 4600 |
NA4918 | 90 | 105 | 125 | 35 | 1.1 | 114000 | 250000 | 4400 |
NA4919 | 95 | 110 | 130 | 35 | 1.1 | 116000 | 260000 | 4200 |
FAQ
A: We are factory.
A: Generally it is 7-15 days if the goods are in stock. or it is 15-30 days if the goods are not in stock, it is according to quantity.
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30%
T/T in advance ,balance before shippment.
If you have another question, pls feel free to contact us.
Shenzhen Youmeite Bearings Co., Ltd.
Shenzhen UMT Bearing Co.,Ltd
1.More than 200 workers, 60,000m2 workshop area, 5 production lines
2.ISO 9001:2000 certificated,
3.Quality standard: P0, P6, P5, P4, ABEC-1, ABEC-3, ABEC-5,ABEC-7
4.Material:GCr15(AISI51200),Stainless steel,Ceramic,Carbon Steel
5.All goods examined before delivery by 9 times test by 20 QC staff
6.Prompt Reply Within 12 Hours
7.Sample time within 2-3 days after confirmed
8.15 years of OEM and after market service experience
9.Application for almost 60 industries including railway,
automobile, metallurgy, heavy industry, petrol-chemical, military
and other industries.
10.Market : North & South America, Southeast Asia, Europe,
Australia