105 mm x 145 mm x 20 mm CYSD 7921DB angular contact ball bearings
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Brand Name: | CYSD |
Model Number: | 7921DB |
Bearing number: | 4T-30304A |
Size (mm): | 20x52x16.25 |
Bore Diameter (mm): | 20 |
Outer Diameter (mm): | 52 |
Width (mm): | 16,25 |
d: | 20 mm |
D: | 52 mm |
T: | 16,25 mm |
PDF |
7921DB |
Product Details
Bearing number | 4T-30304A |
Size (mm) | 20x52x16.25 |
Bore Diameter (mm) | 20 |
Outer Diameter (mm) | 52 |
Width (mm) | 16,25 |
d | 20 mm |
D | 52 mm |
T | 16,25 mm |
B | 16 mm |
C | 13 mm |
ra1 max. | 1,5 mm |
a | 10,5 mm |
r min. | 1,5 mm |
r1 min. | 1,5 mm |
da min. | 28,5 mm |
Da min | 42,5 mm |
Da max. | 43,5 mm |
db max. | 28 mm |
Db min. | 47,5 mm |
ra max. | 1,5 mm |
Sa | 3 mm |
Sb | 3 mm |
Weight | 0,176 Kg |
Basic dynamic load rating (C) | 35,5 kN |
Basic static load rating (C0) | 34 kN |
(Grease) Lubrication Speed | 8 000 r/min |
(Oil) Lubrication Speed | 11 000 r/min |
Calculation factor (e) | 0,3 |
Calculation factor (Y0) | 1,1 |
d1 | 35 mm |
rs min | 1.5 mm |
r1s min | 1.5 mm |
e | 0.3 |
Y2 | 2 |
Y0 | 1.1 |
Mass | 0.18 kg |
Dynamic load, C | 35.5 kN |
Rating life coefficient, A2 | 1.4 |
Static load, C0 | 34 kN |
Fatigue limit load, Cu | 4.15 kN |
Nlim (oil) | 11,000 rpm |
Nlim (grease) | 8,000 rpm |
Min operating temperature, Tmin | -40 °C |
Max operating temperature, Tmax | 120 °C |
da max | 28 mm |
db min | 28.5 mm |
Da max | 43.5 mm |
Db min | 47.5 mm |
Ca min | 3 mm |
Cb min | 3 mm |
ra max | 1.5 mm |
r1a max | 1.5 mm |
Category | Roller Bearings |
Inventory | 0.0 |
Minimum Buy Quantity | N/A |
Weight / Kilogram | 0.171 |
Product Group | B04334 |