+86 531 62301920 bearing02@skfswd.com
 |
| Quantity: | |
|---|---|
Item:RNA6904UU
Size:25*37*30mm
Weight:95.5g
Trade marks:IKO from Japan
Stock:Available
Machined type needle roller bearings feature low sectional height and large load ratings. A highly rigid outer ring makes these bearings ideal for light alloy housings as well. Three styles are available: Caged, Guided and Capilube.
Metric and inch versions available.
Caged and full complement design options.
Suitable for a wide range of conditions including heavy loads requiring either high-speed or low-speed rotation.
Design choices include bearings with or without inner rings. Ringless style uses a shaft as the raceway for a streamlined, compact footprint.
| Bearing Designation | Original Code | Mass Approx | Boudary Dimensions(mm) | Basic Load Rating | Limiting Speed | |||
| g | Fw | D | C | Dynamic | Static | Oil | ||
| NK 42/20 | - | 83 | 42 | 52 | 20 | 23900 | 45000 | 10000 |
| NK 42/30 | - | 125 | 42 | 52 | 30 | 27000 | 49000 | 10000 |
| RNA4907 | 4624907 | 99.3 | 42 | 55 | 20 | 19800 | 41500 | 8710 |
| RNA 6907 | 6634907 | 160 | 42 | 55 | 36 | 26000 | 60500 | 8710 |
| NK 43/20 | - | 84 | 43 | 53 | 20 | 25700 | 49000 | 10000 |
| NK 43/30 | - | 126 | 43 | 53 | 30 | 39000 | 75000 | 10000 |
| NK 45/20 | 644808 | 81.5 | 45 | 55 | 20 | 19800 | 46500 | 7650 |
| NK 45/30 | - | 75.3 | 45 | 55 | 30 | 20500 | 49600 | 7650 |
| NKS 45 | - | 80 | 45 | 60 | 22 | 21600 | 50500 | 7650 |
| RNA 4908 | 4644908 | 132 | 48 | 62 | 22 | 31036 | 63873 | 8120 |
| RNA 6908 | 6634908 | 238 | 48 | 62 | 40 | 64000 | 112000 | 8120 |
| NK 50/25 | - | 167 | 50 | 62 | 25 | 28000 | 67000 | 8140 |
| NK 50/35 | - | 236 | 50 | 62 | 35 | 32000 | 70100 | 8140 |
| NKS50 | - | 328 | 50 | 65 | 22 | 40000 | 62000 | 8140 |
| RNA 4909 | 4624909 | 163 | 52 | 68 | 22 | 37000 | 69500 | 7625 |
| RNA 6909 | 6634909 | 308 | 52 | 68 | 40 | 61500 | 123500 | 7625 |
| NK 55/25 | - | 167 | 55 | 68 | 25 | 30600 | 60800 | 7625 |
| NK 55/35 | - | 210 | 55 | 68 | 35 | 36000 | 68000 | 7625 |
| NKS 55 | - | 225 | 55 | 72 | 22 | 45000 | 7000 | 7500 |
| RNA 4910 | 4644910 | 161 | 58 | 72 | 22 | 41000 | 72000 | 7500 |
| RNA 6910 | 6634910 | 296 | 58 | 72 | 40 | 68000 | 135000 | 7500 |
| NK 60/25 | - | 154 | 60 | 72 | 25 | 39000 | 86000 | 7000 |
| NK 60/35 | - | 195 | 60 | 72 | 35 | 38000 | 85000 | 7000 |
| NKS 60 | - | 210 | 60 | 80 | 28 | 45000 | 96000 | 7000 |
| RNA 4911 | 4644911 | 241 | 63 | 80 | 25 | 50600 | 96580 | 6340 |
| RNA 6911 | 6634911 | 430 | 63 | 80 | 45 | 82560 | 172000 | 6340 |
| NK 65/25 | - | 195 | 65 | 78 | 25 | 49000 | 65000 | 6200 |
| NK 65/35 | - | 210 | 65 | 78 | 35 | 59000 | 72000 | 6010 |
| NKS 65 | - | 298 | 65 | 85 | 28 | 68000 | 98000 | 6200 |
| RNA 4912 | 4644912 | 257 | 68 | 85 | 25 | 52800 | 91050 | 6100 |
| RNA 6912 | 6634912 | 436 | 68 | 85 | 45 | 88500 | 186000 | 6100 |
| NK 70/25 | - | 320 | 70 | 85 | 25 | 62000 | 78000 | 6000 |
| NK 70/35 | - | 398 | 70 | 85 | 35 | 65000 | 92000 | 6000 |
| NKS 70 | - | 421 | 70 | 90 | 28 | 85000 | 113000 | 6000 |
| RNA 4913 | 4644913 | 300 | 72 | 90 | 25 | 57500 | 110500 | 6100 |
| RNA 6913 | 6634913 | 571 | 72 | 90 | 45 | 87600 | 194500 | 6100 |
Item:RNA6904UU
Size:25*37*30mm
Weight:95.5g
Trade marks:IKO from Japan
Stock:Available
Machined type needle roller bearings feature low sectional height and large load ratings. A highly rigid outer ring makes these bearings ideal for light alloy housings as well. Three styles are available: Caged, Guided and Capilube.
Metric and inch versions available.
Caged and full complement design options.
Suitable for a wide range of conditions including heavy loads requiring either high-speed or low-speed rotation.
Design choices include bearings with or without inner rings. Ringless style uses a shaft as the raceway for a streamlined, compact footprint.
| Bearing Designation | Original Code | Mass Approx | Boudary Dimensions(mm) | Basic Load Rating | Limiting Speed | |||
| g | Fw | D | C | Dynamic | Static | Oil | ||
| NK 42/20 | - | 83 | 42 | 52 | 20 | 23900 | 45000 | 10000 |
| NK 42/30 | - | 125 | 42 | 52 | 30 | 27000 | 49000 | 10000 |
| RNA4907 | 4624907 | 99.3 | 42 | 55 | 20 | 19800 | 41500 | 8710 |
| RNA 6907 | 6634907 | 160 | 42 | 55 | 36 | 26000 | 60500 | 8710 |
| NK 43/20 | - | 84 | 43 | 53 | 20 | 25700 | 49000 | 10000 |
| NK 43/30 | - | 126 | 43 | 53 | 30 | 39000 | 75000 | 10000 |
| NK 45/20 | 644808 | 81.5 | 45 | 55 | 20 | 19800 | 46500 | 7650 |
| NK 45/30 | - | 75.3 | 45 | 55 | 30 | 20500 | 49600 | 7650 |
| NKS 45 | - | 80 | 45 | 60 | 22 | 21600 | 50500 | 7650 |
| RNA 4908 | 4644908 | 132 | 48 | 62 | 22 | 31036 | 63873 | 8120 |
| RNA 6908 | 6634908 | 238 | 48 | 62 | 40 | 64000 | 112000 | 8120 |
| NK 50/25 | - | 167 | 50 | 62 | 25 | 28000 | 67000 | 8140 |
| NK 50/35 | - | 236 | 50 | 62 | 35 | 32000 | 70100 | 8140 |
| NKS50 | - | 328 | 50 | 65 | 22 | 40000 | 62000 | 8140 |
| RNA 4909 | 4624909 | 163 | 52 | 68 | 22 | 37000 | 69500 | 7625 |
| RNA 6909 | 6634909 | 308 | 52 | 68 | 40 | 61500 | 123500 | 7625 |
| NK 55/25 | - | 167 | 55 | 68 | 25 | 30600 | 60800 | 7625 |
| NK 55/35 | - | 210 | 55 | 68 | 35 | 36000 | 68000 | 7625 |
| NKS 55 | - | 225 | 55 | 72 | 22 | 45000 | 7000 | 7500 |
| RNA 4910 | 4644910 | 161 | 58 | 72 | 22 | 41000 | 72000 | 7500 |
| RNA 6910 | 6634910 | 296 | 58 | 72 | 40 | 68000 | 135000 | 7500 |
| NK 60/25 | - | 154 | 60 | 72 | 25 | 39000 | 86000 | 7000 |
| NK 60/35 | - | 195 | 60 | 72 | 35 | 38000 | 85000 | 7000 |
| NKS 60 | - | 210 | 60 | 80 | 28 | 45000 | 96000 | 7000 |
| RNA 4911 | 4644911 | 241 | 63 | 80 | 25 | 50600 | 96580 | 6340 |
| RNA 6911 | 6634911 | 430 | 63 | 80 | 45 | 82560 | 172000 | 6340 |
| NK 65/25 | - | 195 | 65 | 78 | 25 | 49000 | 65000 | 6200 |
| NK 65/35 | - | 210 | 65 | 78 | 35 | 59000 | 72000 | 6010 |
| NKS 65 | - | 298 | 65 | 85 | 28 | 68000 | 98000 | 6200 |
| RNA 4912 | 4644912 | 257 | 68 | 85 | 25 | 52800 | 91050 | 6100 |
| RNA 6912 | 6634912 | 436 | 68 | 85 | 45 | 88500 | 186000 | 6100 |
| NK 70/25 | - | 320 | 70 | 85 | 25 | 62000 | 78000 | 6000 |
| NK 70/35 | - | 398 | 70 | 85 | 35 | 65000 | 92000 | 6000 |
| NKS 70 | - | 421 | 70 | 90 | 28 | 85000 | 113000 | 6000 |
| RNA 4913 | 4644913 | 300 | 72 | 90 | 25 | 57500 | 110500 | 6100 |
| RNA 6913 | 6634913 | 571 | 72 | 90 | 45 | 87600 | 194500 | 6100 |