Main Products: Cylindrical Roller Bearing ,Spherical Roller Bearing ,Pillow Block Bearing ,Auto Bearing
high precision NA 4900 series machined ring 2RS sealed NA 4902 needle roller bearing NA4902 size 15x28x13mm
USD $0.8 - $3 /Piece
Min.Order:30 Pieces
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Shandong Bohong Bearing Co., Ltd.
Business Type: AgentMain Products: Cylindrical Roller Bearing ,Spherical Roller Bearing ,Pillow Block Bearing ,Auto BearingProduct Details
high precision NA 4900 series machined ring 2RS sealed NA 4902 needle roller bearing NA4902 size 15x28x13mm
Needle roller bearings are bearings with cylindrical rollers that are small in diameter relative to their length. The modified roller/raceway profile prevents stress peaks to extend bearing service life.
BHR supplies needle roller bearings in many different designs, series and in a wide range of sizes, which make them appropriate for a wide variety of operating conditions and applications.
1. Needle roller and cage assembly
2. Drawn cup needle roller bearings
3. Needle roller bearings with machine rings
4. Alignment needle roller bearings
5. Universal joint bearings
6. Combined needle roller bearings
7. Needle roller thrust bearings
8. Cam follower, track rollers
Specifications: NA4902 needle roller bearing | |
Fw | 15mm |
D | 28mm |
C | 13mm |
Mass | 0.034kgs |
Roller bearing type | needle roller bearing |
number of row | single row |
Bearing type | with machined rings, with an inner ring |
Bearing cage type | steel cage |
Bearing closure type | open bearing, 2rs sealed bearing |
Bearing material | steel bearing, stainless steel bearing |
NA series needle roller bearing catalogue:
| Bearing No. | Boundary dimensions(mm) | Basic load ratings(N) | speeds(rpm) | Mass(g) | ||||
| d | Fw | D | B | Cr | Cor | Oil | ||
| NA4900 | 10 | 14 | 22 | 13 | 8006 | 9000 | 23700 | 21.00 |
| NA4901 | 12 | 16 | 24 | 13 | 5047 | 6352 | 20000 | 25.10 |
| NA4902 | 15 | 20 | 28 | 13 | 6447 | 9053 | 18800 | 32.00 |
| NA4903 | 17 | 22 | 30 | 13 | 7010 | 10010 | 17000 | 32.80 |
| NA4904 | 20 | 25 | 37 | 17 | 11912 | 16594 | 16200 | 70.20 |
| NA49/22 | 22 | 28 | 39 | 17 | 12996 | 19175 | 14360 | 76.00 |
| NA4905 | 25 | 30 | 42 | 17 | 13452 | 20475 | 13832 | 76.00 |
| NA49/28 | 28 | 32 | 45 | 17 | 13900 | 20100 | 13832 | 90.70 |
| NA49/32 | 32 | 40 | 52 | 20 | 19000 | 32600 | 11134 | 150.00 |
| NA4907 | 35 | 42 | 55 | 20 | 19800 | 41500 | 11134 | 151.00 |
| NA4908 | 40 | 48 | 62 | 22 | 31036 | 63873 | 8567 | 123.00 |
| NA4909 | 45 | 50 | 68 | 22 | 37000 | 96500 | 8052 | 260.00 |
| NA4910 | 50 | 58 | 72 | 22 | 41000 | 72000 | 7526 | 264.00 |
| NA4911 | 55 | 63 | 80 | 25 | 50600 | 96580 | 7156 | 386.00 |
| NA4912 | 60 | 68 | 85 | 25 | 52800 | 110500 | 6022 | 412.00 |
| NA4913 | 65 | 72 | 90 | 25 | 57500 | 110500 | 6022 | 435.00 |
| NA4914 | 70 | 80 | 100 | 30 | 79000 | 154000 | 5111 | 712.00 |
| NA4915 | 75 | 85 | 105 | 30 | 82000 | 158000 | 5111 | 765.00 |
| NA4916 | 80 | 90 | 110 | 30 | 81000 | 170500 | 5111 | 870.00 |
| NA4917 | 85 | 100 | 120 | 35 | 111000 | 237000 | 4600 | 1250.00 |
| NA4918 | 90 | 105 | 125 | 35 | 114000 | 250000 | 4400 | 1312.00 |
| NA4919 | 95 | 110 | 130 | 35 | 116000 | 260000 | 4200 | 1371.00 |
| NA4920 | 100 | 115 | 140 | 40 | 120000 | 2740000 | 4000 | 1900.00 |
| NA4922 | 110 | 125 | 150 | 40 | 132000 | 290000 | 3700 | 2070.00 |
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