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ITEM NUMBER
7911U
Single Angular Contact Ball Bearings - Ultage Type
d55,000 mmBore
D80,000 mmOutside diameter
B13,000 mmWidth
Verified by Cat Son before quotationPart number · clearance · precision
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TECHNICAL DATA
Specifications for 7911U
Units
Technical Specifications
- Type
- Angular Contact Ball Bearing
- Bore Type
- Round
- Material
- High Carbon Chrome Steel
- Cage Type
- Fiber Glass Reinforced
- Cage Material
- Nylon
- Ball Material
- Steel
- Limiting Speed - Oil
- 17400 RPM
- Limiting Speed - Grease
- 12700 RPM
- Configuration
- One
- Static Load Rating
- 16800 N 3800 lbf
- Dynamic Load Rating
- 17800 N 4000 lbf
- Enclosure
- Open
- Weight
- 0.180 kg 0.397 lb
- Operating Temperature Range
- -40 to 120 ºC -40 to 250 ºF
Dimensional Specifications
- d
- 55.000 mm 2.1654 in
- D
- 80.000 mm 3.1496 in
- B
- 13.000 mm 0.5118 in
- d1
- 63.700 mm 2.5079 in
- d2
- 61.800 mm 2.4331 in
- D1
- 71.400 mm 2.8110 in
- D2
- 75.000 mm 2.9528 in
- r
- 1.000 mm 0.0394 in
- r1
- 0.600 mm 0.0236 in
- Contact Angle
- 30 º
- a (Load Center)
- 26.100 mm 1.0276 in
- da min
- 60.500 mm 2.3819 in
- Da max
- 74.500 mm 2.9331 in
- Db max
- 75.500 mm 2.9724 in
- ras max
- 1.000 mm 0.0394 in
- r1as max
- 0.600 mm 0.0236 in
- Double Row Width
- 26.000 mm 1.0236 in
- Triple Row Width
- 39.000 mm 1.5354 in
- Quadruple Row Width
- 52.000 mm 2.0472 in
DOCUMENTS & SUPPORT
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