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ITEM NUMBER
N311
Cylindrical Roller Bearing - Inner Ring w/ Two Ribs, Separable, Plain Outer Ring - N Type
d55,000 mmBore
D120,000 mmOutside diameter
B29,000 mmWidth
Verified by Cat Son before quotationPart number · clearance · precision
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TECHNICAL DATA
Specifications for N311
Units
Technical Specifications
- Type
- Cylindrical Roller Bearing
- Bore Type
- Round
- Material
- Hardened Alloy Steel
- Cage Material
- Pressed Steel
- Limiting Speed - Oil
- 7000 RPM
- Limiting Speed - Grease
- 5900 RPM
- Precision
- ISO Class 0
- Configuration
- One
- Oil Hole
- w/o Oil Hole
- Radial Internal Clearance
- CN
- Static Load Rating
- 111000 N 24954 lbf
- Dynamic Load Rating
- 111000 N 24954 lbf
- Enclosure
- Open
- Weight
- 1.410 kg 3.116 lb
- Operating Temperature Range
- -40 to 120 ºC -40 to 250 ºF
Dimensional Specifications
- d
- 55.000 mm 2.1650 in
- D
- 120.000 mm 4.7244 in
- B
- 29.000 mm 1.1417 in
- Ew
- 104.500 mm 4.1142 in
- J
- 77.200 mm 3.0394 in
- r
- 2.000 mm 0.0787 in
- da min
- 64.000 mm 2.5197 in
- db min
- 64.000 mm 2.5197 in
- Da max
- 111.000 mm 4.3701 in
- Db max
- 111.000 mm 4.3701 in
- Db min
- 111.000 mm 4.3701 in
- r1as max
- 2.000 mm 0.0787 in
DOCUMENTS & SUPPORT
QUICK SUPPORT
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