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ITEM NUMBER
MR8811240-MI-728840
Machined-Ring Needle Roller Bearing w/ Inner Ring - MR+MI Series
d114,300 mmBore
D177,800 mmOutside diameter
B63,880 mmWidth
Verified by Cat Son before quotationPart number · clearance · precision
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TECHNICAL DATA
Specifications for MR8811240-MI-728840
Units
Technical Specifications
- Type
- Needle Roller Bearing
- Bore Type
- Round
- Material
- High Carbon Chrome Steel
- Cage Material
- Steel
- Limiting Speed - Oil
- 2900 RPM
- Limiting Speed - Grease
- 1900 RPM
- Precision
- ISO Class 0
- Configuration
- One
- Enclosure
- Open
- Bearing Design
- w/ Inner Ring
- Oil Hole
- w/ Oil Hole
- Radial Internal Clearance
- CN
- Static Load Rating
- 285000 N 64000 lbf
- Dynamic Load Rating
- 285000 N 64000 lbf
- Weight
- 6.040 kg 13.316 lb
- Operating Temperature Range
- -40 to 120 ºC -40 to 250 ºF
Dimensional Specifications
- d
- 114.300 mm 4.5000 in
- D
- 177.800 mm 7.0000 in
- F
- 139.700 mm 5.5000 in
- C
- 63.500 mm 2.5000 in
- B
- 63.880 mm 2.5150 in
- r
- 2.500 mm 0.0984 in
- s
- 5.500 mm 0.2165 in
- da min
- 123.500 mm 4.8622 in
- Da max
- 169.000 mm 6.6535 in
- ras max
- 2.500 mm 0.0984 in
DOCUMENTS & SUPPORT
QUICK SUPPORT
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