NTN
Tapered roller bearings 4T-JM612949/JM612910PK
Bearing NTN 4T-JM612949/JM612910PK, Ø70×115×29 mm. Request a quote — worldwide shipping.
Type Tapered roller bearings
Dimensions
Ø 70 × 115 × 29 mm
d70Bore Ø (mm)
×
D115Outer Ø (mm)
×
B29Width (mm)
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In stock
Technical specifications
| Brand | NTN |
| d - Internal diameter | 70 mm |
| D - External diameter | 115 mm |
| B - Bearing/Inner ring width | 29 mm |
| C - Outer ring width | 23 mm |
| T - Total width | 29 mm |
| a - Charge load application point | 26,4 mm |
| rs - Min fillet radius | 3 mm |
| r1s - Min fillet radius | 2,5 mm |
| Mass | 1,12 kg |
| C - Dynamic load | 138000000 mN |
| C0 - Static load | 171000000 mN |
| A2 - Rating life coefficient | 1 |
| e - Coefficient | 0.43 |
| Y0 - Static axial load coefficient | 0.77 |
| Y2 - Upper axial load coefficient | 1.39 |
| N lim - Oil lubrication limit speed | 24600 °/s |
| N lim - Grease lubrication limit speed | 18600 °/s |
| Tmin - Min operating temperature | 233,15 °K |
| Tmax - Max operating temperature | 393,15 °K |
| da max - Max shoulder diameter IR | 77 mm |
| db min - Min IR shoulder diameter | 83 mm |
| Da max - Max shoulder diameter OR | 110 mm |
| Db min - Min OR shoulder diameter | 103 mm |
| ra max - Max fillet radius | 3 mm |
| r1a - Max fillet radius | 2,5 mm |
| Cone designation | 4T-JM612949PK |
| Cup designation | 4T-JM612910PK |
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NTN 4T-JM612949/JM612910PK