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ITEM NUMBER
NA4856
Machined-Ring Needle Roller Bearing w/ Inner Ring - NA48, NA49 Series
d280,000 mmBore
D350,000 mmOutside diameter
B69,000 mmWidth
Verified by Cat Son before quotationPart number · clearance · precision
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TECHNICAL DATA
Specifications for NA4856
Units
Technical Specifications
- Type
- Needle Roller Bearing
- Bore Type
- Round
- Material
- High Carbon Chrome Steel
- Cage Material
- Steel
- Limiting Speed - Oil
- 1300.0 RPM
- Limiting Speed - Grease
- 850.0 RPM
- Precision
- ISO Class 0
- Configuration
- One
- Enclosure
- Open
- Bearing Design
- w/ Inner Ring
- Oil Hole
- w/ Oil Hole
- Radial Internal Clearance
- CN
- Static Load Rating
- 1300000 N 292000 lbf
- Dynamic Load Rating
- 455000 N 102000 lbf
- Weight
- 15.500 kg 34.172 lb
- Operating Temperature Range
- -40 to 120 ºC -40 to 250 ºF
Dimensional Specifications
- d
- 280.000 mm 11.0236 in
- D
- 350.000 mm 13.7795 in
- F
- 305.000 mm 12.0079 in
- B
- 69.000 mm 2.7165 in
- r
- 2.000 mm 0.0787 in
- s
- 2.500 mm 0.0984 in
- da min
- 289.000 mm 11.3780 in
- Da max
- 341.000 mm 13.4252 in
- ras max
- 2.000 mm 0.0787 in
DOCUMENTS & SUPPORT
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