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ITEM NUMBER
QJ221
Four Point Ball Bearings
d105,000 mmBore
D190,000 mmOutside diameter
B36,000 mmWidth
Verified by Cat Son before quotationPart number · clearance · precision
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TECHNICAL DATA
Specifications for QJ221
Units
Technical Specifications
- Type
- Four-Point Contact Ball Bearing
- Bore Type
- Round
- Material
- High Carbon Chrome Steel
- Cage Type
- High Strength, 2 piece, Machined
- Cage Material
- Brass
- Ball Material
- Steel
- Limiting Speed - Oil
- 3600 RPM
- Limiting Speed - Grease
- 2700 RPM
- Precision
- Class 0
- Configuration
- One
- Contact Angle
- 30 º
- Radial Internal Clearance
- CN
- Static Load Rating
- 400000 N 90000 lbf
- Dynamic Load Rating
- 197000 N 44500 lbf
- Enclosure
- Open
- Operating Temperature Range
- -40 to 120 ºC -40 to 250 ºF
Dimensional Specifications
- d
- 105.000 mm 4.1339 in
- D
- 190.000 mm 7.4803 in
- B
- 36.000 mm 1.4173 in
- r
- 2.100 mm 0.0827 in
- a
- 85.000 mm 3.3465 in
- da min
- 117.000 mm 4.6063 in
- Da max
- 178.000 mm 7.0079 in
- ras max
- 2.000 mm 0.0787 in
DOCUMENTS & SUPPORT
QUICK SUPPORT
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