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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.