NTN
Tapered roller bearings 4T-LM503349A/LM503310
Bearing NTN 4T-LM503349A/LM503310, Ø45.987×74.976×18 mm. Request a quote — worldwide shipping.
Type Tapered roller bearings
Dimensions
Ø 45,987 × 74,976 × 18 mm
d45,987Bore Ø (mm)
×
D74,976Outer Ø (mm)
×
B18Width (mm)
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In stock
Technical specifications
| Brand | NTN |
| d - Internal diameter | 45,987 mm |
| D - External diameter | 74,976 mm |
| B - Bearing/Inner ring width | 18 mm |
| C - Outer ring width | 14 mm |
| T - Total width | 18 mm |
| a - Charge load application point | 16,1 mm |
| rs - Min fillet radius | 3,5 mm |
| r1s - Min fillet radius | 1,5 mm |
| Mass | 0,29 kg |
| C - Dynamic load | 51000000 mN |
| C0 - Static load | 71000000 mN |
| A2 - Rating life coefficient | 1 |
| e - Coefficient | 0.4 |
| Y0 - Static axial load coefficient | 0.82 |
| Y2 - Upper axial load coefficient | 1.49 |
| N lim - Oil lubrication limit speed | 37800 °/s |
| N lim - Grease lubrication limit speed | 28200 °/s |
| Tmin - Min operating temperature | 233,15 °K |
| Tmax - Max operating temperature | 393,15 °K |
| da max - Max shoulder diameter IR | 51 mm |
| db min - Min IR shoulder diameter | 57 mm |
| Da max - Max shoulder diameter OR | 71 mm |
| Db min - Min OR shoulder diameter | 67 mm |
| ra max - Max fillet radius | 3,5 mm |
| r1a - Max fillet radius | 1,5 mm |
| Cone designation | 4T-LM503349A |
| Cup designation | 4T-LM503310 |
Related products
NTN 4T-LM503349A/LM503310