Double Row Super Precision OEM Customized Services Angular Contact Bearing7215
- 50 Pieces
- China
- 7 days
- 200000 Pieces per Week
It is widely used in the fields of mechanical equipment, electric power, iron and steel, metallurgy, petroleum, chemical industry, machine tool, textile, automobile, motor, precision instrument, mining machinery, construction machinery, engineering machinery, railway and so on.
Technical specification
DIMENSIONS
| d | 75 mm | |
|---|---|---|
| D | 130 mm | |
| B | 25 mm | |
| d1 | ≈ 96.3 mm | |
| d2 | ≈ 85.25 mm | |
| D1 | ≈ 110.1 mm | |
| a | 56 mm | |
| r1,2 | min. 1.5 mm | |
| r3,4 | min. 1 mm |
ABUTMENT DIMENSIONS
| da | min. 84 mm | |
|---|---|---|
| Da | max. 121 mm | |
| Db | max. 124 mm | |
| ra | max. 1.5 mm | |
| rb | max. 1 mm |
Standard series of double row angular contact ball bearings include: 32 A and 33 A series bearings 33 D series bearings: Closed bearing Open bearing (also available closed) with groove on side of inner ring. The 52 and 53 series bearings are no longer available and have been replaced by 32A and 33A series bearings, which are interchangeable in size.Only size 3200 A series is different, width is 14 mm instead of 14 3 mm.CALCULATION DATA
Basic dynamic load rating C Basic static load rating C0 Fatigue load limit Pu Reference speed Limiting speed Calculation factor A Calculation factor kr Calculation factor e Calculation factor X Calculation factor Y0 Calculation factor Y2 Calculation factor X Calculation factor Y0 Calculation factor Y1 Calculation factor Y2 MASS
Mass bearing
