A16-78E4 Rotek Slewing Ring Bearings
| Brand Name: |
Rotek |
| Model Number: |
A16-78E4 |
| Series: |
M238800 |
| Cone Part Number: |
M238849 |
| Cup Part Number: |
M238810 |
| Design Units: |
Imperial |
| Bearing Weight: |
9.8 Kg |
| Cage Type: |
Stamped Steel |
| d: |
187.325 mm |
| D: |
269.875 mm |
Product Details
| Series |
M238800 |
| Cone Part Number |
M238849 |
| Cup Part Number |
M238810 |
| Design Units |
Imperial |
| Bearing Weight |
9.8 Kg |
| Cage Type |
Stamped Steel |
| d |
187.325 mm |
| D |
269.875 mm |
| B - Cone Width |
55.563 mm |
| C - Cup Width |
42.863 mm |
| B |
55.563 mm |
| R - Cone Backface To Clear Radius1 |
3.560 mm |
| r - Cup Backface To Clear Radius2 |
3.30 mm |
| da - Cone Frontface Backing Diameter |
200.91 mm |
| db - Cone Backface Backing Diameter |
204.98 mm |
| Da - Cup Frontface Backing Diameter |
258.06 mm |
| Db - Cup Backface Backing Diameter |
249.94 mm |
| Ab - Cage-Cone Frontface Clearance |
3 mm |
| Aa - Cage-Cone Backface Clearance |
5.3 mm |
| a - Effective Center Location3 |
-6.1 mm |
| C90 - Dynamic Radial Rating (90 million revolutions)4 |
32000 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)5 |
123000 lbf |
| C0 - Static Radial Rating |
225000 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 |
18200 lbf |
| K - Factor7 |
1.76 |
| e - ISO Factor8 |
0.33 |
| Y - ISO Factor9 |
1.8 |
| G1 - Heat Generation Factor (Roller-Raceway) |
788 |
| G2 - Heat Generation Factor (Rib-Roller End) |
118 |
| Cg - Geometry Factor |
0.12 |
Company Profile
| Worktime |
9:00-18:00（Beijing time） |
| Phone |
86-02-7234259 |