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Specifications for standard Kaydon Reali-Slim® bearings
Standard Reali-Slim® bearings are manufactured to Kaydon Precision Class 1 and the specifications listed in the table below.
Reali-Slim® bearings can be optimized for special requirements and ordered with non-standard materials, sizes, tolerances, specifications, and features as well as custom packaging and lubrication options. We also have ISO Class 7 facilities for applications requiring clean room assembly. Standard commercial options include changes in diametral clearance, preloading, lubricants, packaging, etching of high points, tagging bearings with actual dimensions as requested, separators, duplexing, data sheets, acceptance testing, and more.
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| Material analysis |
| Races & balls |
SAE-AISI 52100 type steel
AISI 440C stainless steel |
ASTM A-295
AMS-5630 |
Separators
A bearings |
R type—brass or non-metallic composite
G type—nylon, fiberglass reinforced |
ASTM B-36 |
Separators
C, X bearings |
P type—brass or non-metallic composite
L type—nylon, fiberglass reinforced |
ASTM B-36 |
| Seals |
Nitrile rubber |
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| Heat treatment |
| Races & balls |
Through hardened and dimensionally stabilized for use from
-65°F to +250°F (-54°C to +121°C) |
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| Precision |
| Race dimension |
Kaydon Precision Class 1 |
ABMA ABEC-1F or better,
per ABMA Standard 26.2 |
| Race runouts |
Kaydon Precision Class 1 |
ABMA ABEC-1F or better,
per ABMA Standard 26.2 |
| Balls |
ABMA grade 10 |
ANSI/ABMA/ISO 3290 |
| Diametral clearance & contact angle |
| Type A bearing |
Diametral clearance for 30° contact angle in single unmounted bearing under light
axial gaging load. Wide range of preload or running clearance for matched sets. |
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| Type C bearing |
Sufficient diametral clearance to provide small amount of running clearance after
installation with recommended fits. |
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| Type X bearing |
Gothic arch form for two 30° contact angles under light radial gaging load.
Sufficient diametral clearance to provide clearance after installation with
recommended fits. |
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| Separator design |
R & G types
A bearings |
Circular ring, circular pockets, self retained |
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P & L types
C, X bearings |
Circular ring, snapped over balls for retention |
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| Other |
| Quality control |
Kaydon Quality Control procedures have been approved by major aerospace
industries and agencies of the U.S. Government |
ISO 9001, AS 9100 |
| Identification |
Marked on bearing O.D.: CAGE code, "Kaydon"®, part number and date code |
MIL-STD-130 |
| Cleaning |
Multiple cycle immersion and agitation in solvents and/or aqueous cleaners |
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| Preservative |
Preservative oil |
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| Packaging |
Typically, smaller bearings are heat-sealed in a plastic bag and boxed; larger bearings are "tire-wrapped." |
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