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ITEM NUMBER
NA4908LL
Machined-Ring Needle Roller Bearing w/ Inner Ring - NA49 Series, Double Sealed
d40,000 mmBore
D62,000 mmOutside diameter
B23,000 mmWidth
Verified by Cat Son before quotationPart number · clearance · precision
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TECHNICAL DATA
Specifications for NA4908LL
Units
Technical Specifications
- Type
- Needle Roller Bearing
- Bore Type
- Round
- Material
- High Carbon Chrome Steel
- Cage Material
- Steel
- Limiting Speed - Grease
- 4200 RPM
- Precision
- ISO Class 0
- Configuration
- One
- Enclosure
- Double Sealed
- Bearing Design
- w/ Inner Ring
- Oil Hole
- w/ Oil Hole
- Radial Internal Clearance
- CN
- Static Load Rating
- 53500 N 12027 lbf
- Dynamic Load Rating
- 27800 N 6250 lbf
- Weight
- 0.250 kg 0.556 lb
- Operating Temperature Range
- -40 to 120 ºC -40 to 250 ºF
Dimensional Specifications
- d
- 40.000 mm 1.5750 in
- D
- 62.000 mm 2.4409 in
- F
- 48.000 mm 1.8898 in
- C
- 22.000 mm 0.8661 in
- B
- 23.000 mm 0.9055 in
- r
- 0.600 mm 0.0236 in
- s
- 1.000 mm 0.0394 in
- da min
- 44.000 mm 1.7323 in
- Da max
- 51.000 mm 2.0079 in
- ras max
- 0.600 mm 0.0236 in
DOCUMENTS & SUPPORT
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