Description
SKF NU 209 ECP specification parameter：
DIMENSIONS
| d |
45 mm
|
|
|---|---|---|
| D |
85 mm
|
|
| B |
19 mm
|
|
| D1 |
≈ 72.47 mm
|
|
| F |
54.5 mm
|
|
| r1,2 |
min. 1.1 mm
|
|
| r3,4 |
min. 1.1 mm
|
|
| s |
max. 1.2 mm
|
ABUTMENT DIMENSIONS
| da |
min. 52 mm
|
|
|---|---|---|
| da |
max. 53 mm
|
|
| db |
min. 56 mm
|
|
| Da |
max. 77.6 mm
|
|
| ra |
max. 1 mm
|
|
| rb |
max. 1 mm
|
CALCULATION DATA
| Basic dynamic load rating | C |
69.5 kN
|
|---|---|---|
| Basic static load rating | C0 |
64 kN
|
| Fatigue load limit | Pu |
8.15 kN
|
| Reference speed |
9000 r/min
|
|
| Limiting speed |
9500 r/min
|
|
| Calculation factor | kr |
0.15
|
| Limiting value | e |
0.2
|
| Axial load factor | Y |
0.6
|
MASS
| Mass bearing |
0.42 kg
|
|---|
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