Double-Row Angular Contact Ball Bearings
Negotiable /Piece
Min.Order:1 Piece
SNR 7205.C.G1.UJ74 Super Precision Angular Contact bearings
d | 25 mm |
D | 52 mm |
B | 15 mm |
d1 | 34.04 mm |
D1 | 44.05 mm |
D2 | 47.73 mm |
a | 13 mm |
Contact angle α | 15 ° |
rs min | 1 mm |
r1s min | 0.6 mm |
f0 | 14.05 |
Precision class | P4 |
Mass | 0.13 kg |
Brand | SNR |
Dynamic load, C | 17.5 kN |
Static load, C0 | 11.1 kN |
Fatigue limit load, Cu | 0.59 kN |
Nlim (oil) | 43,000 rpm |
Nlim (grease) | 27,000 rpm |
Axial displacement K Factor | 1.56 |
Preload level | 7 |
Preload value | 0.1 kN |
Axial rigidity | 46 N/µm |
Radial rigidity | 248 N/µm |
Min operating temperature, Tmin | -30 °C |
Max operating temperature, Tmax | 120 °C |
Characteristic cage frequency, FTF | 0.4 Hz |
Characteristic rolling element frequency, BSF | 4.73 Hz |
Characteristic outer ring frequency, BPF0 | 5.22 Hz |
Characteristic inner ring frequency, BPFI | 7.78 Hz |
da min | 30.5 mm |
db min | 30.5 mm |
Da max | 46.5 mm |
Db max | 46.5 mm |
r1a max | 0.6 mm |
ra max | 1 mm |
D6 | 36.8 mm |
These bearings are used in applications requiring high accuracy and high speed.
Machined cages made of a laminated phenol resin or a high tensile brass casting, or an injection molded fiber-reinforced synthetic resin cage are used in the bearings. Duplex arrangement angular contact ball bearings Three types of duplex arrangements for angular contact ball bearings are available Double-Row Angular Contact Ball Bearings