| Rothe Erde PART NO. | 230.21.0475.013 Type21/520.0 |
| MAS PART NO. | M 230.21.0475.013 Type21/520.0 |
| Series | Series 23 |
| Gear | Without gear |
| Type | Ball |
| System of Measurement | Metric |
| Diameter Of Bearing Raceway Dl(mm) | 414 |
| Outside Diameter Of Outer Ring Da(mm) | 517-0.11 |
| Inside Diameter Of Inner Ring Di(mm) | 305+0.08 |
| Height Of Overall Bearing Assembly H(mm) | 56 |
| External Diameter On Inner Ring O(mm) | 412.5 |
| Internal Diameter On Outer Ring U(mm) | 415.5 |
| External Diameter On Outer Ring A(mm) | 453 |
| Internal Diameter On Inner Ring C(mm) | 375 |
| Distance Between Bottom Outer Ring Inner Ring Hu(mm) | 10.5 |
| Distance At Top Outer Ring Inner Ring Ho(mm) | 10.5 |
| Outside Bole Hole Circle Diameter La(mm) | 490 |
| Number Holes In Outer Ring Na | 8 |
| Hole Diameter B(mm) | 18 |
| Intside Bole Hole Circle Diameter Li(mm) | 332 |
| Number Holes In Inner Ring ni | 12 |
| Hole Diameter B(mm) | 18 |
| Weight(kg) | 23.4 |
| Number Of Grease Nipples n1 | 4 |
| Min Radial Bearing Clearance (mm) | ≥0to0.03 |
| Min Axial Tilting Clearance(mm) | ≥0to0.03 |
| masbearing@outlook.com | |
| Mob/Wechat | +86 15255522117 |
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