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ITEM NUMBER
NF238
Cylindrical Roller Bearing - Separable Inner Ring w/ Two Ribs, Outer Ring w/ One Rib
d190,000 mmBore
D340,000 mmOutside diameter
B55,000 mmWidth
Verified by Cat Son before quotationPart number · clearance · precision
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TECHNICAL DATA
Specifications for NF238
Units
Technical Specifications
- Type
- Cylindrical Roller Bearing
- Bore Type
- Round
- Material
- Hardened Alloy Steel
- Cage Material
- High Strength Machined Brass Rivetless w/ square holes
- Limiting Speed - Oil
- 2200.0 RPM
- Limiting Speed - Grease
- 1900 RPM
- Precision
- ISO Class 0
- Configuration
- One
- Tolerance
- ISO Class 0 (RBEC 1)
- Oil Hole
- w/o Oil Hole
- Radial Internal Clearance
- CN
- Static Load Rating
- 770000 N 173104 lbf
- Dynamic Load Rating
- 555000 N 124770 lbf
- Enclosure
- Open
- Weight
- 21.700 kg 47.849 lb
Dimensional Specifications
- d
- 190.000 mm 7.4800 in
- D
- 340.000 mm 13.3858 in
- B
- 55.000 mm 2.1654 in
- Ew
- 299.000 mm 11.7717 in
- J
- 244.500 mm 9.6260 in
- r
- 4.000 mm 0.1575 in
- da min
- 206.000 mm 8.1102 in
- db min
- 206.000 mm 8.1102 in
- Da max
- 324.000 mm 12.7559 in
- Db max
- 324.000 mm 12.7559 in
- Db min
- 304.000 mm 11.9685 in
- r1as max
- 4.000 mm 0.1575 in
DOCUMENTS & SUPPORT
QUICK SUPPORT
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