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1213SKC3 - NTN Double Row Self-Aligning Ball Bearing

1213SKC3 - NTN Double Row Self-Aligning Ball Bearing

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1213SKC3 bearing reference breakdown

Below we will break down the 1213SKC3 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

C3 - Indicates a radial internal clearance, C3 class
K - Denotes tapered bore (1:12)
S - Pressed steel cage

The body of the bearing reference is what is left after removing the suffix and the prefix:

Body

12 - Extra Narrow Series
13 - 65mm Bore Size

d (mm) 65 D (mm) 120 B (mm) 23
rs min (mm) 1.5 e 0.17 Y1 3.7
Y2 5.7 Y0 3.8 Mass (kg) 1.15
da max (mm) 83 Ce min (mm) 5 db min (mm) 70
ra max (mm) 1.5
Dynamic load C (kN) 31 Static load C0 (kN) 12.5 Nlim (oil) (Tr/min) 6000
Nlim (grease) (Tr/min) 4800 Min operating temperature Tmin (°C) -20 Max operating temperature Tmax (°C) 120
da min (mm) 73
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