310BN42-2 Excavator Bearing 310x420x45mm wholesalers
Welcome to 55x72x9 the Bearing Wholesalers 310BN42-2 Excavator Bearing 310x420x45mm wholesalers 55x72x9 Size (mm) online seller.
| Bearing number: |
6811NR |
| Size (mm): |
55x72x9 |
| Bore Diameter (mm): |
55 |
| Outer Diameter (mm): |
72 |
| Width (mm): |
9 |
| d: |
55 mm |
| D: |
72 mm |
| B: |
9 mm |
Product Details
| Bearing number |
6811NR |
| Size (mm) |
55x72x9 |
| Bore Diameter (mm) |
55 |
| Outer Diameter (mm) |
72 |
| Width (mm) |
9 |
| d |
55 mm |
| D |
72 mm |
| B |
9 mm |
| C |
9 mm |
| a |
1.7 mm |
| b |
0.95 mm |
| f |
0.85 mm |
| r min. |
0.3 mm |
| r1 min. |
0.3 mm |
| D1 |
70.7 mm |
| D2 |
74.8 mm |
| Weight |
0.085 Kg |
| Basic dynamic load rating (C) |
8,8 kN |
| Basic static load rating (C0) |
8,1 kN |
| (Grease) Lubrication Speed |
8500 r/min |
| Bore Type |
Cylindrical Bore |
| Configuration |
Single Row |
| Enclosure |
Snap Ring Groove with Snap Ring |
| Bore Size |
55 mm |
| Outside Diameter |
72 mm |
| Width |
9 mm |
| Fillet Radius/Chamfer |
0.3 mm |
| r1 |
0.3 mm |
| Snap Ring Width |
0.9 mm |
| Snap Ring Outside Diameter |
74.8 mm |
| D1 (max) |
70.7 mm |
| a (max) |
1.7 mm |
| b (min) |
1 mm |
| Dynamic Load Rating |
8,800 N |
| Static Load Rating |
8,100 N |
| Limiting Speed - Grease |
8,700 rpm |
| Limiting Speed - Oil |
10,000 rpm |
| Factor fo |
16.2 |
| Radial Clearance |
0.008 to 0.028 mm |
| da (min) |
57 mm |
| Da (max) |
70 mm |
| Dx (min) |
76 mm |
| ra (max) |
0.3 mm |
| Cy (max) |
2.3 mm |
Company Profile
| Worktime |
9: 00-18: 00 (بتوقيت بكين) |
| Phone |
+6531591338 |
| Fax |
+6531591338 |