NTN BST20X47-1BDFP4 distributors Precision Ball Bearings
| Bore Type: |
Cylindrical Bore |
| Enclosure: |
Open |
| Configuration: |
Double Row |
| Roller Profile: |
Asymmetric |
| Center Guidance: |
Fixed Inner Ring Rib |
| Retainer Material: |
Pressed Brass |
| Nr. of Holes: |
4 |
| Weight: |
6.850 kg |
Product Details
| Bore Type |
Cylindrical Bore |
| Enclosure |
Open |
| Configuration |
Double Row |
| Roller Profile |
Asymmetric |
| Center Guidance |
Fixed Inner Ring Rib |
| Retainer Material |
Pressed Brass |
| Nr. of Holes |
4 |
| Weight |
6.850 kg |
| d |
110 mm |
| D |
180 mm |
| B |
69 mm |
| Fillet Radius/Chamfer |
2 mm |
| Groove Width A |
11 mm |
| Hole Diameter (do) |
6 mm |
| Dynamic Load Rating |
620,000 N |
| Static Load Rating |
654,000 N |
| Limiting Speed - Grease |
2,700 rpm |
| Limiting Speed - Oil |
3,600 rpm |
| Constant e |
0.37 |
| Axial Load Factor Y0 |
1.76 |
| Axial Load Factor Y1 |
1.80 |
| Axial Load Factor Y2 |
2.69 |
| Radial Clearance |
0.075 to 0.120 mm |
| da (min) |
120 mm |
| Da (max) |
170 mm |
| ra (max) |
2 mm |
Company Profile
| Worktime |
9.00--18.00 |
| Phone |
0065-31591338 |
| Fax |
0065-31591338 |