Main Products: Cylindrical Roller Bearing ,Spherical Roller Bearing ,Pillow Block Bearing ,Auto Bearing
textile machine parts shaft sleeve NA RNA series NA6903 germany needle roller bearing RNA6903 size 17x30x23mm
USD $0.1 - $1 /Piece
Min.Order:50 Pieces
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Shandong Bohong Bearing Co., Ltd.
Business Type: AgentMain Products: Cylindrical Roller Bearing ,Spherical Roller Bearing ,Pillow Block Bearing ,Auto Bearing
all sizes import japanese brand NA NA69 series NA6911 needle roller bearing RNA6911 size 55x80x45mm
shell type rubber sealed HK series HK3018 drawn cup needle roller bearing HK 3018 RS size 30x37x18mm
automotive clutch parts metric series HK2816 drawn cup needle roller bearing HK 2816 size 28x35x16mm
Product Details
textile machine parts shaft sleeve NA RNA series NA6903 germany needle roller bearing RNA6903 size 17x30x23mm
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: NA6903 needle roller bearing NA 6903 | |
Bore size | 17mm |
Outer size | 30mm |
Thickness | 23mm |
Mass | 0.072KGS |
Roller bearing type | needle roller bearing |
Bearing number or row | double row |
Bearing series | with machined rings, with an inner ring |
Bearing material | stainless steel bearing |
Bearing closure type | open ends |
Bearing Precision | grade p4 p5 p6 p0 abec5 |
Origin | China shandong bearing jinan |
RNA needle roller bearing size chart:
| Bearing | d | D | T | Cr | Cor | Graes | Oil | Weight |
| Number | (mm) | (mm) | (mm) | (kN) | (kN) | (r/min) | (r/min) | (kg) |
| RNA69/22 | 22 | 39 | 30 | 36.8 | 53.1 | 16000 | – | 0.1 |
| RNA69/28 | 28 | 45 | 30 | – | – | – | – | – |
| RNA69/32 | 32 | 52 | 36 | – | – | – | – | – |
| RNA6901 | 12 | 24 | 22 | 16.3 | 21.7 | 27000 | – | 0.03 |
| RNA6902 | 15 | 28 | 23 | 18.4 | 27.1 | 22000 | – | 0.038 |
| RNA6903 | 17 | 30 | 23 | 18.9 | 29 | 20000 | – | 0.04 |
| RNA6904 | 20 | 37 | 30 | 35.4 | 48.9 | 17000 | – | 0.096 |
| RNA6905 | 25 | 42 | 30 | 40.1 | 60.7 | 15000 | – | 0.112 |
| RNA6906 | 35 | 47 | 30 | 42.7 | 69 | 13000 | – | 0.126 |
| RNA6907 | 42 | 55 | 36 | 51.4 | 85.1 | 11000 | – | 0.182 |
| RNA6908 | 48 | 62 | 40 | 66.7 | 115 | 9400 | – | 0.247 |
| RNA6909 | 52 | 68 | 40 | 70.7 | 127 | 8800 | – | 0.334 |
| RNA6910 | 58 | 72 | 40 | 74 | 140 | 7900 | – | 0.291 |
| RNA6911 | 63 | 80 | 45 | 86.7 | 165 | 7300 | – | 0.458 |
| RNA6912 | 68 | 85 | 45 | 90.8 | 179 | 6800 | – | 0.49 |
| RNA6913 | 72 | 90 | 45 | 98.4 | 190 | 6400 | – | 0.541 |
| RNA6914 | 80 | 100 | 54 | 132 | 271 | 5700 | – | 0.827 |
| RNA6915 | 85 | 105 | 54 | 135 | 283 | 5400 | – | 0.866 |
| RNA6916 | 90 | 110 | 54 | 140 | 304 | 5100 | – | 0.916 |
| RNA6917 | 100 | 120 | 63 | 165 | 390 | 4600 | – | 1.17 |
| RNA6918 | 105 | 125 | 63 | 167 | 403 | 4400 | – | 1.21 |
| RNA6919 | 110 | 130 | 63 | 173 | 428 | 4200 | – | 1.27 |
| RNA6920 | 100 | 140 | 71 | – | – | – | – | – |
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