NBS K89438-M thrust roller bearings
Brand Name: |
NBS |
Model Number: |
K89438-M |
Bore Type: |
Cylindrical Bore |
Enclosure: |
Open |
Configuration: |
Double Row |
Roller Profile: |
Symmetric |
Center Guidance: |
Floating Steel Ring |
Retainer Material: |
Pressed Steel |
Nr. of Holes: |
4 |
Weight: |
1.920 kg |
PDF |
K89438-M |
Product Details
Bore Type |
Cylindrical Bore |
Enclosure |
Open |
Configuration |
Double Row |
Roller Profile |
Symmetric |
Center Guidance |
Floating Steel Ring |
Retainer Material |
Pressed Steel |
Nr. of Holes |
4 |
Weight |
1.920 kg |
d |
50 mm |
D |
110 mm |
B |
40 mm |
Fillet Radius/Chamfer |
2 mm |
Groove Width A |
8 mm |
Hole Diameter (do) |
4 mm |
Dynamic Load Rating |
280,000 N |
Static Load Rating |
235,000 N |
Limiting Speed - Grease |
4,700 rpm |
Limiting Speed - Oil |
5,600 rpm |
Constant e |
0.36 |
Axial Load Factor Y0 |
1.81 |
Axial Load Factor Y1 |
1.85 |
Axial Load Factor Y2 |
2.75 |
Radial Clearance |
0.035 to 0.055 mm |
da (min) |
60 mm |
Da (max) |
100 mm |
ra (max) |
2 mm |