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1211SK - NTN Double Row Self-Aligning Ball Bearing
1211SK - NTN Double Row Self-Aligning Ball Bearing
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1211SK bearing reference breakdown
Below we will break down the 1211SK bearing reference and provide an explanation for each section provided it can actually be broken down. We can split it into 3 parts the prefix, suffix and body of the item code.
The suffix can be found at the end of the bearing number:
Suffix
K - Tapered Bore, Taper 1:12S - Pressed steel cage
The body of the bearing reference is what is left after removing the suffix and the prefix:
Body
12 - Extra Narrow Series11 - 55mm Bore Size
| d (mm) | 55 | D (mm) | 100 | B (mm) | 21 |
| rs min (mm) | 1.5 | e | 0.2 | Y1 | 3.2 |
| Y2 | 4.9 | Y0 | 3.3 | Mass (kg) | 0.7 |
| da max (mm) | 70 | Ce min (mm) | 6 | db min (mm) | 60 |
| ra max (mm) | 1.5 |
| Dynamic load C (kN) | 26.9 | Static load C0 (kN) | 10 | Nlim (oil) (Tr/min) | 7100 |
| Nlim (grease) (Tr/min) | 6000 | Min operating temperature Tmin (°C) | -20 | Max operating temperature Tmax (°C) | 120 |
| da min (mm) | 63 |
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