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60/28LLUNR/2AS - NTN Single Row Deep Groove Ball Bearing
60/28LLUNR/2AS - NTN Single Row Deep Groove Ball Bearing
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60/28LLUNR/2AS bearing reference breakdown
Below we will break down the 60/28LLUNR/2AS 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
LLU - Indicates a nitrile double lip contact seal2AS - Denotes standard grease for sealed and shielded bearings (-25°C up to +120°C)
NR - Indicates a groove and snap ring on the outer ring
The body of the bearing reference is what is left after removing the suffix and the prefix:
Body
60 - Metric, Extra Light Series Deep Groove Ball Bearing28 - 28mm Bore Size
| d (mm) | 28 | D (mm) | 52 | B (mm) | 12 |
| a min (mm) | 1.9 | a max (mm) | 2.06 | rs min (mm) | 0.6 |
| rNs min (mm) | 0.5 | Mass (kg) | 0.1 | Ca min (mm) | 3.02 |
| Ca max (mm) | 3.18 | D3 max (mm) | 49.73 | b min (mm) | 1.35 |
| b max (mm) | 1.65 | r0 max (mm) | 0.4 | D4 max (mm) | 57.9 |
| f (mm) | 1.12 |
| da min (mm) | 32 | da max (mm) | 34 | Da max (mm) | 48 |
| ra max (mm) | 0.6 | rNa max (mm) | 0.5 | Db min (mm) | 58.5 |
| Dynamic load C (kN) | 12.5 | Static load C0 (kN) | 7.4 | Fatigue limit load Cu (kN) | 0.34 |
| f0 | 14.5 | Nlim (grease) (Tr/min) | 8400 | Min operating temperature Tmin (°C) | -25 |
| Max operating temperature Tmax (°C) | 110 | Characteristic cage frequency FTF (Hz) | 0.41 | Characteristic rolling element frequency BSF (Hz) | 5.42 |
| Characteristic outer ring frequency BPF0 (Hz) | 4.11 | Characteristic inner ring frequency BPFI (Hz) | 5.89 |
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