6988 KOYO Single-row deep groove ball bearings
| Brand Name: |
KOYO |
| Model Number: |
6988 |
| d: |
30 mm |
| D: |
55.000 mm |
| Bearing Width: |
13 mm |
| Contact Angle: |
15 º |
| do - Ball Diameter: |
7.143750 mm |
| C0 - Static Radial Rating: |
9167 N |
| Ce - Dynamic Radial Rating1: |
16800 N |
| Limiting Speed (Grease): |
30600 rpm |
| PDF |
6988 |
Product Details
| d |
30 mm |
| D |
55.000 mm |
| Bearing Width |
13 mm |
| Contact Angle |
15 º |
| do - Ball Diameter |
7.143750 mm |
| C0 - Static Radial Rating |
9167 N |
| Ce - Dynamic Radial Rating1 |
16800 N |
| Limiting Speed (Grease) |
30600 rpm |
| Limiting Speed (Oil) |
61200 rpm |
| Ball Type |
Ceramic |
| Cage Type |
CR - Phenolic Outer Land Riding Cage |
| Bearing Weight |
0.113 Kg |
| Design Units |
METRIC |
| Precision Class |
ISO P4S (ABEC 7/9) |
| Full Timken Part Number |
2MMC9106WICRDUH |
| R - Inner Ring To Clear Radius2 |
1.0 mm |
| r - Outer Ring To Clear Radius3 |
1.0 mm |
| da - Inner Ring Backing Diameter |
35.900 mm |
| Da - Outer Ring Backing Diameter |
50.700 mm |