CODE | PROFILE | GEOMETRY | CODE | Specialty | |
A | V groove profile |
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O | Cylindrical bearing, dimensions out of norm | |
G | Gothic profile groove (convex profile on notch sides) |
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J | Ring with synthetic coating | |
B | Convex profile |
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L | Ring(s) with surface treatment, antiwear coating | |
C | Concave profile |
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M | Ring larger than the other | |
D | One-side chamfer |
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S | Ring in stainless steel X105 CrMo17 (440C) – Indicated before part number | |
E | Double-side chamfer |
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R | Post machining (milling, markings, ...) | |
U | Ring with hole |
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T | Double row | |
SP | Ring in stainless steel SPX-HT - Indicated before part number | ||||
H | Retention groove ring |
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X |
Special form not identified by one of the other codes as for instance:
Indicated before part number
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K | Raceway off centered |
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N | Profile off centered |
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The codes O, T, X are always indicated in the outer ring coding sequence (first part of the basis), as they define a feature of the complete bearing.