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Precision tolerances and recommended fits

Precision tolerances and recommended fits
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Precision tolerances and recommended fits

Product catalog summary
Precision Tolerances and Recommended Fits for Reali-Slim® Ball Bearings

Overview:
This document outlines the precision tolerances and recommended fits for Reali-Slim® ball bearings, emphasizing the importance of considering factors such as orientation, temperature, speed, and performance characteristics. It provides guidelines for diametral clearance, shaft, and housing diameters.

Specifications:
  • Race Width Tolerance: For bearings up to 12" bore, the tolerance is +.000 to –.005 inches; for over 12" bore, it is +.000 to –.010 inches.
  • Type C – Precision Class 1 (ABEC 1F): Specific tolerances for bearing sizes, diameters, radial and axial runout, and diametral clearance before installation are detailed in tables.

Recommended Fits:
  • Shaft and housing diameters are specified for steel supports with standard bearing diametral clearance, which can vary based on application conditions.
  • Contact KaYDoN for design assistance when non-standard conditions are present.

Additional Notes:
  • Diametral clearance after installation can vary widely if tolerances are at extremes.
  • Tables for different bearing types (C, X, A) and precision classes (1, 3, 4) detail specific tolerances and clearances.

Conclusion:
This catalog is a comprehensive guide for engineers and designers to ensure proper selection and installation of Reali-Slim® bearings, emphasizing precise measurements and application-specific considerations.

Precision Tolerances and Recommended Fits for Reali-Slim Bearings

Overview:
This section provides detailed specifications on precision tolerances and recommended fits for Reali-Slim bearings, focusing on diametral clearance and dimensions for various bearing types.

Specifications:
  • Diametral clearance after installation can vary widely depending on bearing, housing, and shaft tolerances. These clearances do not apply to angular contact bearings (Type A).
  • Shaft and housing diameters are specified for steel supports with standard bearing diametral clearance, which can change based on orientation, temperature, speed, and performance requirements.
  • All dimensions are provided in inches.

Tolerances:
  • Total Width Tolerance for Duplexed Type A Bearings: Up to 12" Bearing Bore: +.000 –.010; Over 12" Bearing Bore: +.000 –.020
  • Race Width Tolerance for Single Type C, X, A Bearings: Up to 12" Bearing Bore: +.000 –.005; Over 12" Bearing Bore: +.000 –.010

Precision Class 6 (Ref. ABEC 7F) Specifications:
The table provides detailed measurements for bearing sizes, including radial and axial runout, rotating and stationary shaft diameters, and housing bore dimensions, both before and after installation.

Key Data from Table:
  • Bearing sizes range from 010 to 140, with specific tolerances for each size.
  • Radial and axial runout, as well as shaft and housing bore dimensions, are specified with precise tolerances.
  • Diametral clearance values are provided for Type X and C bearings, indicating the range of clearance before installation.

Recommendations:
For design assistance and to accommodate non-standard conditions, it is recommended to contact KaYDoN.
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Catalog excerpts

Precision tolerances and recommended fits-1

REALI-SLIM® Bearings Catalog 300 ©KAYDON® Corporation Issue 10 Section 3–Applic ations Engineering Precision Tolerances and Recommended Fits for REALI-SLIM® Ball Bearings in Normal Applications Type C – P r e c is i on Class 1 (Ref. ABEC 1F) Bearing Diameters Bearing Size Bearing Bearing (Inch O.D. Bore Series) Nominal Nominal +.0000 +.0000 Radial & Axial Runout Rotating Shaft or Duplex DF Mounting Inner Race Outer Race Shaft Housing Diameter Bore Nominal Nominal +.0000 +.0000 Stationary Shaft or Duplex DB Mounting Shaft Diameter Nominal Bearing Diametral Clearance* Housing Bore Nominal Before Installation * iametral clearance after installation theoretically can range rather widely if all contributing bearing, housing, D and shaft tolerances are at either of their extremes. Listed shaft and housing diameters are for steel supports with standard bearing diametral clearance. Recommended shaft and housing diameters can change greatly based on orientation, temperature, speed, nonstandard diametral clearances, and desired performance characteristics. Contact KAYDON for design assistance when required. All dimensions in inches. Race Width Tolerance: Up thru 12" Bearing Bore Over 12" Bearing Bore

 Open the catalog to page 1
Precision tolerances and recommended fits-2

©KAYDON® Corporation Issue 10 REALI-SLIM® Bearings Catalog 300 Precision Tolerances and Recommended Fits for reali-slim ® bearings Bearing Diameters Bearing Size Bearing Bearing (Inch O.D. Bore Series) Nominal Nominal +.0000 +.0000 Radial & Axial Runout Rotating Shaft or Duplex DF Mounting Inner Race Outer Race Shaft Housing Diameter Bore Nominal Nominal +.0000 +.0000 Stationary Shaft or Duplex DB Mounting Shaft Diameter Nominal Bearing Diametral Clearance* (Type “X” only) Housing Bore Nominal Before Installation * Diametral clearance after installation theoretically can range rather widely if...

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Precision tolerances and recommended fits-3

REALI-SLIM® Bearings Catalog 300 ©KAYDON® Corporation Issue 10 Section 3–Applic ations Engineering Precision Tolerances and Recommended Fits for reali-slim ® bearings T ype C , X AND A – P reci si on Class 3 (Ref. ABEC 3F) Bearing Diameters Bearing Size Bearing Bearing (Inch O.D. Bore Series) Nominal Nominal +.0000 +.0000 Radial & Axial Runout Rotating Shaft or Duplex DF Mounting Inner Race Outer Race Shaft Housing Diameter Bore Nominal Nominal +.0000 +.0000 Stationary Shaft or Duplex DB Mounting Shaft Diameter Nominal Housing Bore Nominal Bearing Diametral Clearance* (Type “X”and “C” only) Before...

 Open the catalog to page 3
Precision tolerances and recommended fits-4

©KAYDON® Corporation Issue 10 REALI-SLIM® Bearings Catalog 300 Precision Tolerances and Recommended Fits for reali-slim ® bearings Bearing Diameters Radial & Axial Runout Bearing Size Inner Race (Inch Bearing Bearing Bore O.D. Series) Nominal Nominal +.0000 +.0000 Radial Axial Rotating Shaft or Duplex DF Mounting Stationary Shaft or Duplex DB Mounting Shaft Housing Diameter Bore Shaft Diameter Nominal Nominal Nominal Axial +.0000 +.0000 Outer Race Housing Bore Nominal Bearing Diametral Clearance* (Type “X”and “C” only) Before Installation * Diametral clearance after installation theoretically...

 Open the catalog to page 4
Precision tolerances and recommended fits-5

REALI-SLIM® Bearings Catalog 300 ©KAYDON® Corporation Issue 10 Section 3–Applic ations Engineering Precision Tolerances and Recommended Fits for reali-slim ® bearings T ype C , X AND A – P reci si on Class 6 (Ref. ABEC 7F) Bearing Diameters Bearing Size Bearing Bearing (Inch O.D. Bore Series) Nominal Nominal +.0000 +.0000 Radial & Axial Runout Rotating Shaft or Duplex DF Mounting Inner Race Outer Race Shaft Housing Diameter Bore Nominal Nominal +.0000 +.0000 Stationary Shaft or Duplex DB Mounting Shaft Diameter Nominal Housing Bore Nominal Bearing Diametral Clearance* (Type “X”and “C” only) Before...

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.