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 |
