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ITEM NUMBER
NA4918R
Machined-Ring Needle Roller Bearing w/ Inner Ring - NA49.R, NA59, NA69R, NK.R+1R Series
d90,000 mmBore
D125,000 mmOutside diameter
B35,000 mmWidth
Verified by Cat Son before quotationPart number · clearance · precision
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TECHNICAL DATA
Specifications for NA4918R
Units
Technical Specifications
- Type
- Needle Roller Bearing
- Bore Type
- Round
- Material
- High Carbon Chrome Steel
- Cage Material
- Steel
- Limiting Speed - Oil
- 3800 RPM
- Limiting Speed - Grease
- 2500 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
- 252000 N 56652 lbf
- Dynamic Load Rating
- 116000 N 26078 lbf
- Weight
- 1.310 kg 2.889 lb
- Operating Temperature Range
- -40 to 120 ºC -40 to 250 ºF
Dimensional Specifications
- d
- 90.000 mm 3.5430 in
- D
- 125.000 mm 4.9213 in
- F
- 105.000 mm 4.1339 in
- B
- 35.000 mm 1.3780 in
- r
- 1.100 mm 0.0433 in
- s
- 1.000 mm 0.0394 in
- da min
- 96.500 mm 3.7992 in
- Da max
- 118.500 mm 4.6654 in
- ras max
- 1.000 mm 0.0394 in
DOCUMENTS & SUPPORT
QUICK SUPPORT
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