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NSK RNA4948 needle roller bearings
100% Authentic. 28000 Oil Limiting Speed (r/min): NSK RNA4948 needle roller bearings Highest Quality. Medium Preload: Certified Supplier.
- NSK
RNA4948
- 28000
- 9
- Medium
- Standard
- Open Type
- Plastic
- 68mm
- 17000
-
Bearing Power Machinery Co., Ltd.2020-07-10 09:46:19
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NSK RNA4948 needle roller bearingsSpecification details
Oil Limiting Speed (r/min):: | 28000 | Static Load Rating (kN):: | 9 | Preload:: | Medium |
Clearance:: | Standard | Seals or Shields:: | Open Type | Cage Type:: | Plastic |
D: | 68mm | Grease Limiting Speed (r/min):: | 17000 | Weight:: | 0.13 KGS |
B: | 12mm |
NSK RNA4948 needle roller bearingsInterchange guide
Permissible sliding velocity v max. | 0.5 m/s |
Tolerance housing | H7 |
Specific dynamic load factor K | 140 N/mm² |
B | 180 mm |
Tolerance shaft | h8 |
Effective load carrying cross section A | 33820 mm² |
Mass bushing | 2.11 kg |
d | 190 mm |
Coefficient of friction µ max. | 0.08 |
Specific static load factor K0 | 200 N/mm² |
NSK Bearing Racing
NSK RNA4948 needle roller bearings cross reference chart | ||||||||
d | D | k | B | C | Dw | d1 | D1 | |
SL014948 | 240 mm | 320 mm | - | 80 mm | 80 mm | - | - | - |
SL014948 | 240 mm | 320 mm | - | 80 mm | 750 kN | - | 270,6 mm | 292,3 mm |
RNA4948 | 265 | 320 mm | - | - | 80 mm | - | - | - |
RNA4948 | 265 | 320 mm | - | - | 540 kN | - | - | - |
RNA4948 | 265 | 320 mm | 4 mm | - | 540 kN | 15 mm | - | - |
RNA4948 | 265 | 320 mm | - | - | 590 kN | - | - | - |
NNU4948K | 240 mm | 320 mm | - | 80 mm | 625 kN | - | - | - |
NNU4948K | 240 mm | 320 mm | - | 80 mm | 610 kN | - | - | - |
RNA4948 | 10.433 Inch | 265 Millimeter | 12.598 Inch | 320 Millimeter | - | 3.15 Inch | 80 Millimeter | - | - | - | - |
RNA4948 | 265 | 320 | - | 80 | - | - | - | - |
NSK RNA4948 bearing, 265x320x80, RNA4948 bearing for sale
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Bearing number : RNA4948. Size (mm) : 265x320x80. Brand : NSK. Bore Diameter (mm) : 265. Outer Diameter (mm) : 320. Width (mm) : 80. Bearing dimensions
Contact Us

- Bearing Power Machinery Co., Ltd.
- AddressVia Maestri del Lavoro 3/A 401828 Bologna, Italy
- Phone(Working Time)33-4-50-65-91-42
- Fax
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