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ITEM NUMBER
BNT004
Single Angular Contact Ball Bearings for Motors and Lathes
d20,000 mmBore
D42,000 mmOutside diameter
B12,000 mmWidth
Verified by Cat Son before quotationPart number · clearance · precision
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TECHNICAL DATA
Specifications for BNT004
Units
Technical Specifications
- Type
- Main Spindle Bearing
- Bore Type
- Round
- Material
- High Carbon Chrome Steel
- Cage Type
- Machined
- Cage Material
- Phenolic Resin
- Ball Material
- Steel
- Limiting Speed - Oil
- 68300 RPM
- Limiting Speed - Grease
- 34300.0 RPM
- Configuration
- One
- Factor
- 9.2
- Static Load Rating
- 3950 N 890 lbf
- Dynamic Load Rating
- 8000 N 1800 lbf
- Enclosure
- Open
- Operating Temperature Range
- -40 to 120 ºC -40 to 250 ºF
Dimensional Specifications
- d
- 20.000 mm 0.7874 in
- D
- 42.000 mm 1.6535 in
- B
- 12.000 mm 0.4724 in
- d1
- 27.400 mm 1.0787 in
- d2
- 24.900 mm 0.9803 in
- D1
- 35.500 mm 1.3976 in
- r
- 0.600 mm 0.0236 in
- r1
- 0.300 mm 0.0118 in
- Contact Angle
- 15 º
- a
- 10.000 mm 0.4055 in
- da min
- 24.500 mm 0.9646 in
- db min
- 22.500 mm 0.8858 in
- Da max
- 37.500 mm 1.4764 in
- ras max
- 0.600 mm 0.0236 in
- r1as max
- 0.300 mm 0.0118 in
- Double Row Width
- 24.000 mm 0.9449 in
- Triple Row Width
- 36.000 mm 1.4173 in
- Quadruple Row Width
- 48.000 mm 1.8898 in
DOCUMENTS & SUPPORT
QUICK SUPPORT
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