44,45 mm x 89 mm x 30 mm 44,45 mm x 89 mm x 30 mm KOYO STB4489 KOYO Bearing
44,45 mm x 89 mm x 30 mm 44,45 mm x 89 mm x 30 mm KOYO STB4489 KOYO Bearing SEARCH - Whether UBC Mechanical Electronic Instrument Co., Ltd. it's agriculture or construction 44,45 mm x 89 mm x 30 mm equipment your working on, Has theKOYO Bearing you need.
What is STB4489 bearing interchange？
| Brand Name: |
KOYO |
| Model Number: |
STB4489 |
| 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: |
3.840 kg |
| PDF |
STB4489 |
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 |
3.840 kg |
| d |
110 mm |
| D |
170 mm |
| B |
45 mm |
| Fillet Radius/Chamfer |
2 mm |
| Groove Width A |
9 mm |
| Hole Diameter (do) |
5 mm |
| Dynamic Load Rating |
415,000 N |
| Static Load Rating |
475,000 N |
| Limiting Speed - Grease |
3,000 rpm |
| Limiting Speed - Oil |
3,800 rpm |
| Constant e |
0.24 |
| Axial Load Factor Y0 |
2.78 |
| Axial Load Factor Y1 |
2.84 |
| Axial Load Factor Y2 |
4.23 |
| Radial Clearance |
0.075 to 0.120 mm |
| da (min) |
120 mm |
| Da (max) |
160 mm |
| ra (max) |
2 mm |