NTN
Spherical roller bearings 23256EMD1
Bearing NTN 23256EMD1, Ø280×500×176 mm. Request a quote — worldwide shipping.
Type Spherical roller bearings
Dimensions
Ø 280 × 500 × 176 mm
d280Bore Ø (mm)
×
D500Outer Ø (mm)
×
B176Width (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 | 176 mm |
| d2 - External diameter inner ring | 0 mm |
| D1 - Inner diameter outer ring | 426 mm |
| rs - Min fillet radius | 5 mm |
| Number of lubrication holes | 8 |
| b - Groove width | 27 mm |
| k - Hole diameter | 16 mm |
| Radial clearance class | CN |
| Mass | 152 kg |
| C - Dynamic load | 3810000000 mN |
| C0 - Static load | 5420000000 mN |
| Cu - Fatigue limit load | 193000000 mN |
| e - Coefficient | 0.35 |
| Y0 - Static axial load coefficient | 1.91 |
| Y1 - Lower axial load coefficient | 1.95 |
| Y2 - Upper axial load coefficient | 2.9 |
| N lim - Oil lubrication limit speed | 5700 °/s |
| N lim - Grease lubrication limit speed | 4440 °/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 23256EMD1