MINI factory replacement Bolts for the Crankshaft Main Bearings which is integrated into the Ladder Frame or Bed Plate. This is a set of 10 M10 x 75 Inner Bolts for the Main Bearing Bed Plate.
Fits the following models:
2002-2006 R50 MINI Cooper and R53 Cooper S Hardtop
2005-2008 R52 MINI Cooper and Cooper S Convertible
Same bolts are used for the Cooper and Cooper S, including JCW and GP models.
Tightening Torque:
Inner M10 Bolts: 44.25 ft-lbs or 60 Nm
Outer M8 Bolts: 25.8 ft-lbs or 35 Nm
See the following bolt tightening sequence for:
- Bolts 1 - 10: Main Bearing Bolts
- Bolts 11 - 20: Bedplate Bolts
For the Bedplate / Ladder Frame bolts, see MINI Cooper Bolts for Bedplate OEM R50 R52 R53.
Crankshaft and Bearings specifications
Main journal dia | mm | 47.922...48.008 |
Radial play of main bearings | mm | 0.022...0.062 |
Radial play of main bearings (wear limit) | mm | 0.700 |
Axial play of crankshaft | mm | 0.090...0.240 |
Axial play of crankshaft (wear limit) | mm | 0.300 |
Mini Cooper Crankshaft Main Bearing Cap Bolts 10ea (minimania.com)
Mini Mania Tech Team
The MINI Cooper Parts and Accessories Experts
MINI factory replacement Bolts for the Crankshaft Main Bearings which is integrated into the Ladder Frame or Bed Plate. This is a set of 10 M10 x 75 Inner Bolts for the Main Bearing Bed Plate.
Fits the following models:
2002-2006 R50 MINI Cooper and R53 Cooper S Hardtop
2005-2008 R52 MINI Cooper and Cooper S Convertible
Same bolts are used for the Cooper and Cooper S, including JCW and GP models.
Tightening Torque:
Inner M10 Bolts: 44.25 ft-lbs or 60 Nm
Outer M8 Bolts: 25.8 ft-lbs or 35 Nm
See the following bolt tightening sequence for:
- Bolts 1 - 10: Main Bearing Bolts
- Bolts 11 - 20: Bedplate Bolts
For the Bedplate / Ladder Frame bolts, see MINI Cooper Bolts for Bedplate OEM R50 R52 R53.
Crankshaft and Bearings specifications
Main journal dia | mm | 47.922...48.008 |
Radial play of main bearings | mm | 0.022...0.062 |
Radial play of main bearings (wear limit) | mm | 0.700 |
Axial play of crankshaft | mm | 0.090...0.240 |
Axial play of crankshaft (wear limit) | mm | 0.300 |

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