NTN
Spherical roller bearings 22256EMD1
Bearing NTN 22256EMD1, Ø280×500×130 mm. Request a quote — worldwide shipping.
Type Spherical roller bearings
Dimensions
Ø 280 × 500 × 130 mm
d280Bore Ø (mm)
×
D500Outer Ø (mm)
×
B130Width (mm)
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In stock
Technical specifications
| Brand | NTN |
| d - Internal diameter | 280 mm |
| D - External diameter | 500 mm |
| B - Bearing/Inner ring width | 130 mm |
| d2 - External diameter inner ring | 0 mm |
| D1 - Inner diameter outer ring | 437 mm |
| rs - Min fillet radius | 5 mm |
| Number of lubrication holes | 8 |
| b - Groove width | 20 mm |
| k - Hole diameter | 12 mm |
| Radial clearance class | CN |
| Mass | 113 kg |
| C - Dynamic load | 3010000000 mN |
| C0 - Static load | 3920000000 mN |
| Cu - Fatigue limit load | 198000000 mN |
| e - Coefficient | 0.25 |
| Y0 - Static axial load coefficient | 2.63 |
| Y1 - Lower axial load coefficient | 2.69 |
| Y2 - Upper axial load coefficient | 4 |
| N lim - Oil lubrication limit speed | 7080 °/s |
| N lim - Grease lubrication limit speed | 5520 °/s |
| Tmin - Min operating temperature | 233,15 °K |
| Tmax - Max operating temperature | 473,15 °K |
| da min - Min shoulder diameter IR | 300 mm |
| Da max - Max shoulder diameter OR | 480 mm |
| ra max - Max shaft & housing fillet radius | 5 mm |
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NTN 22256EMD1