SKF 33020 Tapered roller bearings, single row
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Description
SKF 33020 specification parameter：
| d |
100 mm
|
|
|---|---|---|
| D |
150 mm
|
|
| T |
39 mm
|
|
| d1 |
≈ 122.6 mm
|
|
| B |
39 mm
|
|
| C |
32.5 mm
|
|
| r1,2 |
min. 2 mm
|
|
| r3,4 |
min. 1.5 mm
|
|
| a |
28.845 mm
|
ABUTMENT DIMENSIONS
| da |
max. 109 mm
|
|
|---|---|---|
| db |
min. 111 mm
|
|
| Da |
min. 135 mm
|
|
| Da |
max. 141 mm
|
|
| Db |
min. 143 mm
|
|
| Ca |
min. 7 mm
|
|
| Cb |
min. 6.5 mm
|
|
| ra |
max. 2 mm
|
|
| rb |
max. 1.5 mm
|
CALCULATION DATA
| Basic dynamic load rating | C |
278 kN
|
|---|---|---|
| Basic static load rating | C0 |
390 kN
|
| Fatigue load limit | Pu |
41.5 kN
|
| Reference speed |
3 400 r/min
|
|
| Limiting speed |
4 000 r/min
|
|
| Calculation factor | e |
0.28
|
| Calculation factor | Y |
2.1
|
| Calculation factor | Y0 |
1.1
|
MASS
| Mass bearing |
2.38 kg
|
|---|
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