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ITEM NUMBER
NA4906R
Machined-Ring Needle Roller Bearing w/ Inner Ring - NA49.R, NA59, NA69R, NK.R+1R Series
d30,000 mmBore
D47,000 mmOutside diameter
B17,000 mmWidth
Verified by Cat Son before quotationPart number · clearance · precision
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TECHNICAL DATA
Specifications for NA4906R
Units
Technical Specifications
- Type
- Needle Roller Bearing
- Bore Type
- Round
- Material
- High Carbon Chrome Steel
- Cage Material
- Steel
- Limiting Speed - Oil
- 11000.0 RPM
- Limiting Speed - Grease
- 7500 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
- 35500 N 8000 lbf
- Dynamic Load Rating
- 25500 N 5750 lbf
- Weight
- 0.101 kg 0.223 lb
- Operating Temperature Range
- -40 to 120 ºC -40 to 250 ºF
Dimensional Specifications
- d
- 30.000 mm 1.1811 in
- D
- 47.000 mm 1.8504 in
- F
- 35.000 mm 1.3780 in
- B
- 17.000 mm 0.6693 in
- r
- 0.300 mm 0.0118 in
- s
- 0.800 mm 0.0315 in
- da min
- 32.000 mm 1.2598 in
- Da max
- 45.000 mm 1.7717 in
- ras max
- 0.300 mm 0.0118 in
DOCUMENTS & SUPPORT
QUICK SUPPORT
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