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ITEM NUMBER
NA4907L
Machined-Ring Needle Roller Bearing w/ Inner Ring - NA49 Series, Single Sealed
d35,000 mmBore
D55,000 mmOutside diameter
B21,000 mmWidth
Verified by Cat Son before quotationPart number · clearance · precision
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TECHNICAL DATA
Specifications for NA4907L
Units
Technical Specifications
- Type
- Needle Roller Bearing
- Bore Type
- Round
- Material
- High Carbon Chrome Steel
- Cage Material
- Steel
- Limiting Speed - Grease
- 4800 RPM
- Precision
- ISO Class 0
- Configuration
- One
- Enclosure
- Single Sealed
- Bearing Design
- w/ Inner Ring
- Oil Hole
- w/ Oil Hole
- Radial Internal Clearance
- CN
- Static Load Rating
- 39500 N 8900 lbf
- Dynamic Load Rating
- 22700 N 5100 lbf
- Weight
- 0.175 kg 0.386 lb
- Operating Temperature Range
- -40 to 120 ºC -40 to 250 ºF
Dimensional Specifications
- d
- 35.000 mm 1.3780 in
- D
- 55.000 mm 2.1654 in
- F
- 42.000 mm 1.6535 in
- C
- 20.000 mm 0.7874 in
- B
- 21.000 mm 0.8268 in
- r
- 0.600 mm 0.0236 in
- s
- 0.800 mm 0.0315 in
- da min
- 39.000 mm 1.5354 in
- Da max
- 45.000 mm 1.7717 in
- ras max
- 0.600 mm 0.0236 in
DOCUMENTS & SUPPORT
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