SKF NUP 248 MA Cylindrical roller bearings, single row
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Description
SKF NUP 248 MA specification parameter：
DIMENSIONS
| d |
240 mm
|
|
|---|---|---|
| D |
440 mm
|
|
| B |
72 mm
|
|
| d1 |
≈ 313 mm
|
|
| D1 |
≈ 365 mm
|
|
| F |
295 mm
|
|
| r1,2 |
min. 4 mm
|
ABUTMENT DIMENSIONS
| da |
min. 257 mm
|
|
|---|---|---|
| db |
min. 316 mm
|
|
| Da |
max. 423 mm
|
|
| ra |
max. 3 mm
|
CALCULATION DATA
| Basic dynamic load rating | C |
952 kN
|
|---|---|---|
| Basic static load rating | C0 |
1370 kN
|
| Fatigue load limit | Pu |
129 kN
|
| Reference speed |
1600 r/min
|
|
| Limiting speed |
2200 r/min
|
|
| Calculation factor | kr |
0.15
|
| Limiting value | e |
0.2
|
| Axial load factor | Y |
0.6
|
MASS
| Mass bearing |
53 kg
|
|---|
