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ITEM NUMBER
30311DDT-6-5D-01
Tapered Roller Set - Metric Series
d55,000 mmBore
D120,000 mmOutside diameter
B—Width
Verified by Cat Son before quotationPart number · clearance · precision
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TECHNICAL DATA
Specifications for 30311DDT-6-5D-01
Units
Technical Specifications
- Type
- Tapered Roller Bearing
- Bore Type
- Round
- Material
- Case Carburized Steel
- Style
- TS Assembly + Spacer
- Precision Rating
- Special Tolerance
- Configuration
- Two
- Lubrication
- w/o Oil Hole
- e (Axial Load Factor)
- 0.83
- Y2 (Axial Load Factor)
- 0.73
- Static Load Rating
- 154000 N 34500 lbf
- Dynamic Load Rating
- 139000 N 31500 lbf
- Enclosure
- Open
- Operating Temperature Range
- -40 to 120 ºC -40 to 250 ºF
Dimensional Specifications
- d
- 55.000 mm 2.1654 in
- D
- 120.000 mm 4.7244 in
- C
- 21.000 mm 0.8268 in
- r1as max
- 2.000 mm 0.0787 in
- r
- 1.000 mm 0.0400 in
- R
- 0.00 in
- da
- 67.0 mm 2.64 in
- db
- 68.0 mm 2.68 in
- Da
- 110.0 mm 4.33 in
- Da min
- 94.0 mm 3.70 in
- Db
- 113.0 mm 4.45 in
- ras max
- 2.000 mm 0.0787 in
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