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ITEM NUMBER
BNT008-GNP4
Single Angular Contact Ball Bearings for Motors and Lathes
d40,000 mmBore
D68,000 mmOutside diameter
B15,000 mmWidth
Verified by Cat Son before quotationPart number · clearance · precision
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TECHNICAL DATA
Specifications for BNT008-GNP4
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
- 36100 RPM
- Limiting Speed - Grease
- 18100 RPM
- Precision
- ISO Class 4
- Configuration
- One
- Preload
- Normal
- Factor
- 10.0
- Static Load Rating
- 10400 N 2340 lbf
- Dynamic Load Rating
- 15700 N 3550 lbf
- Enclosure
- Open
- Weight
- 0.185 kg 0.408 lb
- Operating Temperature Range
- -40 to 120 ºC -40 to 250 ºF
Dimensional Specifications
- d
- 40.000 mm 1.5748 in
- D
- 68.000 mm 2.6772 in
- B
- 15.000 mm 0.5906 in
- d1
- 48.800 mm 1.9213 in
- d2
- 45.700 mm 1.7992 in
- D1
- 59.400 mm 2.3386 in
- r
- 1.000 mm 0.0394 in
- r1
- 0.600 mm 0.0236 in
- Contact Angle
- 15 º
- a
- 14.800 mm 0.5827 in
- da min
- 45.500 mm 1.7913 in
- db min
- 44.500 mm 1.7520 in
- Da max
- 62.500 mm 2.4606 in
- ras max
- 1.000 mm 0.0394 in
- r1as max
- 0.600 mm 0.0236 in
- Double Row Width
- 30.000 mm 1.1811 in
- Triple Row Width
- 45.000 mm 1.7717 in
- Quadruple Row Width
- 60.000 mm 2.3622 in
DOCUMENTS & SUPPORT
QUICK SUPPORT
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