Single row needle roller bearings incorporate cylindrical rollers that are small in diameter relative to their length. Owing to their large number of rollers, the bearings have a high load carrying capacity. The outer ring includes two integral flanges to guide the bearing axially and an annular groove with one or more lubrication holes to facilitate relubrication.
| d |
320 mm
|
Bore diameter |
|---|---|---|
| D |
400 mm
|
Outside diameter |
| B |
80 mm
|
Width |
| F |
350 mm
|
Raceway diameter inner ring |
| r1,2 |
min. 2.1 mm
|
Chamfer dimension outer ring |
| s |
max. 2 mm
|
Permissible axial displacement from the normal position of one bearing ring relative to the other |
| da |
min. 331 mm
|
Smallest permissible abutment diameter shaft, bearings with flanges |
|---|---|---|
| Da |
max. 389 mm
|
Abutment diameter housing (with flanges) |
| ra |
max. 2 mm
|
Fillet radius |
| Basic dynamic load rating | C |
605 kN
|
|---|---|---|
| Basic static load rating | C0 |
1 900 kN
|
| Fatigue load limit | Pu |
176 kN
|
| Reference speed |
1 100 r/min
|
|
| Limiting speed |
1 200 r/min
|
| Mass bearing |
23 kg
|
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