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ITEM NUMBER
7903U
Single Angular Contact Ball Bearings - Ultage Type
d17,000 mmBore
D30,000 mmOutside diameter
B7,000 mmWidth
Verified by Cat Son before quotationPart number · clearance · precision
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TECHNICAL DATA
Specifications for 7903U
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
- 49800 RPM
- Limiting Speed - Grease
- 36600 RPM
- Configuration
- One
- Static Load Rating
- 2950 N 665 lbf
- Dynamic Load Rating
- 4900 N 1100 lbf
- Enclosure
- Open
- Weight
- 0.020 kg 0.044 lb
- Operating Temperature Range
- -40 to 120 ºC -40 to 250 ºF
Dimensional Specifications
- d
- 17.000 mm 0.6693 in
- D
- 30.000 mm 1.1811 in
- B
- 7.000 mm 0.2756 in
- d1
- 21.300 mm 0.8386 in
- d2
- 20.300 mm 0.7992 in
- D1
- 25.700 mm 1.0118 in
- D2
- 27.700 mm 1.0906 in
- r
- 0.300 mm 0.0118 in
- r1
- 0.150 mm 0.0059 in
- Contact Angle
- 30 º
- a (Load Center)
- 10.300 mm 0.4055 in
- da min
- 19.500 mm 0.7677 in
- Da max
- 27.500 mm 1.0827 in
- Db max
- 28.800 mm 1.1339 in
- ras max
- 0.300 mm 0.0118 in
- r1as max
- 0.150 mm 0.0059 in
- Double Row Width
- 14.000 mm 0.5512 in
- Triple Row Width
- 21.000 mm 0.8268 in
- Quadruple Row Width
- 28.000 mm 1.1024 in
DOCUMENTS & SUPPORT
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