excavator PC35MR-2 track roller assy 21U-30-31301
Various 55x72x9 Rexroth pump types and sizes to accommodate your excavator PC35MR-2 track roller assy 21U-30-31301 Jinan Excavator Parts Company requirements. 55x72x9 Size (mm)
| Min.Order Quantity |
1 pcs |
| Price |
Negotiable |
| PDF |
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Product Details
| Bearing number | 6811NR |
| Size (mm) | 55x72x9 |
| Bore Diameter (mm) | 55 |
| Outer Diameter (mm) | 72 |
| Width (mm) | 9 |
| d | 55 mm |
| D | 72 mm |
| B | 9 mm |
| C | 9 mm |
| rn | 0,3 mm |
| a | 1,7 mm |
| b | 0,95 mm |
| f | 0,85 mm |
| r min. | 0,3 mm |
| r0 max. | 0,25 mm |
| D1 | 70,7 mm |
| D2 | 74,8 mm |
| da min. | 57 mm |
| da max | 59 mm |
| Da max. | 70 mm |
| ra max. | 0,3 mm |
| Dx | 76 mm |
| Cy | 2,3 mm |
| Cz | 0,9 mm |
| Weight | 0,083 Kg |
| Basic dynamic load rating (C) | 8,8 kN |
| Basic static load rating (C0) | 8,1 kN |
| (Grease) Lubrication Speed | 8 700 r/min |
| (Oil) Lubrication Speed | 10 000 r/min |
Company Profile
| Worktime |
9:00-18:00(Beijing time) |
| Phone |
86 0531-8299 9952 |
| Fax |
86 0531 -82990353 |
