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Home>Products>ball screws BST Type Precision Bearings>SNR 71948.HV.U.J74 Angular Contact Ball Bearings

SNR 71948.HV.U.J74 Angular Contact Ball Bearings
Welcome Hmg Industriebedarf GmbH to the SNR 71948.HV.U.J74 Angular Contact Ball Bearings online seller.
- SNR
71948.HV.U.J74
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Hmg Industriebedarf GmbH2020-07-10 09:46:19
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SNR 71948.HV.U.J74 Angular Contact Ball Bearings Technology
d | 240 mm |
D | 320 mm |
B | 38 mm |
d1 | 266.7 mm |
D1 | 293.33 mm |
D2 | 304.97 mm |
a | 84 mm |
Contact angle α | 25 ° |
rs min | 2.1 mm |
r1s min | 1 mm |
f0 | 17.08 |
Precision class | P4 |
Mass | 7.27 kg |
Brand | SNR |
Dynamic load, C | 171 kN |
Static load, C0 | 252 kN |
Fatigue limit load, Cu | 8.5 kN |
Nlim (oil) | 5,700 rpm |
Nlim (grease) | 3,800 rpm |
Axial displacement K Factor | 0.29 |
Preload level | 7 |
Preload value | 2.85 kN |
Axial rigidity | 706 N/µm |
Radial rigidity | 1,486 N/µm |
Min operating temperature, Tmin | -30 °C |
Max operating temperature, Tmax | 120 °C |
Characteristic cage frequency, FTF | 0.46 Hz |
Characteristic rolling element frequency, BSF | 12.53 Hz |
Characteristic outer ring frequency, BPF0 | 15.31 Hz |
Characteristic inner ring frequency, BPFI | 17.69 Hz |
da min | 252 mm |
db min | 252 mm |
Da max | 308 mm |
Db max | 314.5 mm |
r1a max | 1 mm |
ra max | 2 mm |
D6 | 272 mm |
The reliability or durability requirement sets the time frame over which SNR 71948.HV.U.J74 requirements are to be maintained. The reliability requirement (life in the broad sense) includes ball screws BST Type Precision Bearings and acoustic life, as well as fatigue life.
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- AddressHerwigstr. 125 236 Bremerhaven
- Phone(Working Time)0471 97391512
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