NTN 230/850B spherical roller bearings

Our highly-skilled and factory-trained service experts have the resources to help 250 Bore Diameter (mm) you with all your NTN 230/850B spherical roller bearings needs – including routine maintenance, 250x140x42 Size (mm) major repairs, warranty service, and equipment inspections.
Size (mm) | 250x140x42 |
Bore Diameter (mm) | 250 |
Outer Diameter (mm) | 140 |
Width (mm) | 42 |
d | 140 mm |
D | 250 mm |
B | 42 mm |
D1 | 215.78 mm |
F | 169 mm |
r1,2 – min. | 3 mm |
r3,4 – min. | 3 mm |
s | 2.5 mm |
da – min. | 154 mm |
da – max. | 165 mm |
db – min. | 172 mm |
Da – max. | 235 mm |
ra – max. | 2.5 mm |
rb – max. | 2.5 mm |
Basic dynamic load rating – C | 450 kN |
Basic static load rating – C0 | 510 kN |
Fatigue load limit – Pu | 57 kN |
Reference speed | 2800 r/min |
Limiting speed | 3200 r/min |
Calculation factor – kr | 0.15 |
Inventory | 0.0 |
Manufacturer Name | SKF |
Minimum Buy Quantity | N/A |
Weight / Kilogram | 0 |
Product Group | B04144 |
D1 ≈ | 215.78 mm |
r1,2 min. | 3 mm |
r3,4 min. | 3 mm |
s max. | 2.5 mm |
da min. | 154 mm |
da max. | 165 mm |
db min. | 172 mm |
Da max. | 235 mm |
ra max. | 2.5 mm |
rb max. | 2.5 mm |
Basic dynamic load rating C | 450 kN |
Basic static load rating C0 | 510 kN |
Fatigue load limit Pu | 57 kN |
Calculation factor kr | 0.15 |
Limiting value e | 0.2 |
Axial load factor Y | 0.6 |
Mass bearing | 9.41 kg |
Angle ring | HJ 228 EC |
Detailed Parameters
parameter:
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