Description
SKF NCF22228 ECJB bearing specification parameter:
| d |
140 mm
|
Bore diameter |
|---|---|---|
| D |
250 mm
|
Outside diameter |
| B |
68 mm
|
Width |
| d1 |
≈179.7 mm
|
Shoulder diameter inner ring |
| D1 |
≈215.7 mm
|
Shoulder diameter outer ring |
| E |
225 mm
|
Raceway diameter outer ring |
| s |
max.4.4 mm
|
Permissible axial displacement from the normal position of one bearing ring relative to the other |
| r1,2 |
min.3 mm
|
Chamfer dimension |
ABUTMENT DIMENSIONS
| da |
min.154 mm
|
Abutment diameter shaft |
|---|---|---|
| da |
max.174 mm
|
Abutment diameter shaft |
| Da |
min.220 mm
|
Abutment diameter housing |
| Da |
max.235 mm
|
Abutment diameter housing |
| ra |
max.2.5 mm
|
Fillet radius |
CALCULATION DATA
| Basic dynamic load rating | C |
680 kN
|
|---|---|---|
| Basic static load rating | C0 |
880 kN
|
| Fatigue load limit | Pu |
96.5 kN
|
| Reference speed |
2 800 r/min
|
|
| Limiting speed |
3 600 r/min
|
|
| Calculation factor | kr |
0.16
|
MASS
| Mass bearing |
14.5 kg
|
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