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ITEM NUMBER
MR1220EX
Cylindrical Roller Bearing - Separable Inner Ring w/ One Rib, Outer Ring w/ Two Ribs
d—Bore
D180,000 mmOutside diameter
B100,000 mmWidth
Verified by Cat Son before quotationPart number · clearance · precision
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TECHNICAL DATA
Specifications for MR1220EX
Units
Technical Specifications
- Type
- Cylindrical Roller Bearing
- Bore Type
- Round
- Material
- Hardened Alloy Steel
- Cage Material
- X Bar Composite Steel
- Configuration
- One
- Tolerance
- ISO Class 0 (RBEC 1)
- Oil Hole
- w/o Oil Hole
- Radial Internal Clearance
- CN
- Static Load Rating
- 286000 N 64500 lbf
- Dynamic Load Rating
- 224000 N 50500 lbf
- Enclosure
- Open
- Operating Temperature Range
- -40 to 120 ºC -40 to 250 ºF
Dimensional Specifications
- B
- 100.000 mm 3.9370 in
- D
- 180.000 mm 7.0866 in
- W
- 34.000 mm 1.3386 in
- A
- 121.010 mm 4.7642 in
- F
- 128.450 mm 5.0571 in
- H
- 154.180 mm 6.0701 in
- R
- 3.960 mm 0.1559 in
- U (Plain Rings)
- 116.100 mm 4.5709 in
- V (Rib Rings)
- 120.900 mm 4.7598 in
- X (Plain Rings)
- 167.100 mm 6.5787 in
- Z (Rib Rings)
- 161.000 mm 6.3386 in
- r
- 2.030 mm 0.0799 in
DOCUMENTS & SUPPORT
QUICK SUPPORT
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