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ITEM NUMBER
BNT204
Single Angular Contact Ball Bearings for Motors and Lathes
d20,000 mmBore
D47,000 mmOutside diameter
B14,000 mmWidth
Verified by Cat Son before quotationPart number · clearance · precision
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TECHNICAL DATA
Specifications for BNT204
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
- 61900 RPM
- Limiting Speed - Grease
- 30900 RPM
- Configuration
- One
- Factor
- 8.8
- Static Load Rating
- 5350 N 1200 lbf
- Dynamic Load Rating
- 11200 N 2520 lbf
- Enclosure
- Open
- Operating Temperature Range
- -40 to 120 ºC -40 to 250 ºF
Dimensional Specifications
- d
- 20.000 mm 0.7874 in
- D
- 47.000 mm 1.8504 in
- B
- 14.000 mm 0.5512 in
- d1
- 29.400 mm 1.1575 in
- d2
- 26.200 mm 1.0315 in
- D1
- 39.400 mm 1.5512 in
- r
- 1.000 mm 0.0394 in
- r1
- 0.600 mm 0.0236 in
- Contact Angle
- 15 º
- a
- 11.500 mm 0.4606 in
- da min
- 25.500 mm 1.0039 in
- db min
- 24.500 mm 0.9646 in
- Da max
- 41.500 mm 1.6339 in
- ras max
- 1.000 mm 0.0394 in
- r1as max
- 0.600 mm 0.0236 in
- Double Row Width
- 28.000 mm 1.1024 in
- Triple Row Width
- 42.000 mm 1.6535 in
- Quadruple Row Width
- 56.000 mm 2.2047 in
DOCUMENTS & SUPPORT
QUICK SUPPORT
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