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ITEM NUMBER
NA4876
Machined-Ring Needle Roller Bearing w/ Inner Ring - NA48, NA49 Series
d380,000 mmBore
D480,000 mmOutside diameter
B100,000 mmWidth
Verified by Cat Son before quotationPart number · clearance · precision
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TECHNICAL DATA
Specifications for NA4876
Units
Technical Specifications
- Type
- Needle Roller Bearing
- Bore Type
- Round
- Material
- High Carbon Chrome Steel
- Cage Material
- Steel
- Limiting Speed - Oil
- 950 RPM
- Limiting Speed - Grease
- 650 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
- 2840000 N 640000 lbf
- Dynamic Load Rating
- 1000000 N 225000 lbf
- Weight
- 44.500 kg 98.106 lb
- Operating Temperature Range
- -40 to 120 ºC -40 to 250 ºF
Dimensional Specifications
- d
- 380.000 mm 14.9606 in
- D
- 480.000 mm 18.8976 in
- F
- 415.000 mm 16.3386 in
- B
- 100.000 mm 3.9370 in
- r
- 2.100 mm 0.0827 in
- s
- 2.000 mm 0.0787 in
- da min
- 391.000 mm 15.3937 in
- Da max
- 469.000 mm 18.4646 in
- ras max
- 2.000 mm 0.0787 in
DOCUMENTS & SUPPORT
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