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RBC Bearings
Military Series

Military Series

Product catalog summary

Overview: This document provides technical specifications and details for various series of bearings, including rod ends, spherical bearings, ball bearings, and sleeve bearings. It covers the Precision Aircraft Series, Military Series, and includes self-lubricating features.

Precision Aircraft Series:

Materials: Outer member made of aircraft quality carbon steel with protective coating; ball made of 52100 alloy steel, heat-treated and chrome-plated; race made of aluminum; liner is self-lubricating UNIFLON®.
Specifications: Dimensions are provided in inches with specific tolerances. The series includes HME and HFE models with various bore sizes, ball diameters, and thread sizes.
Notes: Left-hand thread indicated by adding 'L' to the prefix. Design options and engineering data are referenced on specific pages.

Military Series (M81935/1):

Materials: Outer member made of 4340 alloy steel, cadmium plated; ball made of 440C heat-treated steel; race made of 17-4PH heat-treated steel; liner is self-lubricating UNIFLON® per SAE-AS81820.
Specifications: Includes dimensions in inches with specific tolerances. The series includes ME models with various bore sizes, ball diameters, and thread sizes.
Notes: Left-hand thread indicated by adding 'L' to the prefix; keyway indicated by adding 'K'. HEIM is qualified to supply parts per SAE-AS81935.

Key Data from Tables:

Load Capacities: Maximum static radial load and fatigue load values are provided for each model.
Dimensions: Detailed dimensions for bore, ball width, housing width, head diameter, and thread length are specified.
Additional Features: Misalignment angles, keyway options, and rotational breakaway torque are detailed for specific models.

Catalog excerpts

Precision Aircraft Series Self-Lubricating W SPHERICAL BEARINGS Series HME M DIMENSIONS IN INCHES SLEEVE BEARINGS Outer Member: Aircraft quality carbon steel, magnetic particle inspected, with protective coating for corrosion resistance Ball: 52100 Alloy steel, heat treated, chrome plated BALL BEARINGS Race: Aluminum Liner: Self-lubricating UNIFLON® BALL FLAT DIAMETER O MAXIMUM STATIC RADIAL LOAD APPROX WEIGHT NOTES ¶ Add letter “L” to prefix to indicate Left Hand thread Example: HMLE4M For design options, see page 31 For Engineering data, see pages 28 thru 30, 54 p Tolerances for 16 size: “D” +.030 - .010 “H” +.030 -.010

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Precision Aircraft Series Self-Lubricating W D Outer Member: Aircraft quality carbon steel, magnetic particle inspected, with protective coating for corrosion resistance Ball: 52100 Alloy steel, heat treated, chrome plated Race: Aluminum Liner: Self-lubricating UNIFLON® MAXIMUM STATIC RADIAL APPROX WEIGHT LOAD LBF NOTES ¶ Add letter “L” to prefix to indicate Left Hand thread Example: HFLE4M For design options, see page 31 For Engineering data, see pages 28 thru 30, 54 p Tolerances for 16 size: “D” +.030 - .010 “H” +.030 -.010 “K”, “J”, “L” +.015 -.015 SLEEVE BEARINGS BALL BEARINGS SPHERICAL BEARINGS...

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Military Series SPHERICAL BEARINGS Series ME DIMENSIONS IN INCHES HEIM PART NUMBER SLEEVE BEARINGS LENGTH TO CENTER OF BALL F +.010 - .010 Outer Member: 4340 Alloy steel, heat treated, magnetic particle inspected, cadmium plated and chromate treated BALL BEARINGS Ball: 440C heat treated Race: 17-4PH heat treated Liner: Self-lubricating “E” UNIFLON® per SAE-AS81820 (formerly MIL-B-81820) BALL FLAT DIAMETER O

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Military Series (M81935/1) Self-Lubricating THREAD PITCH DIA. RUNOUT PER MIL-B-7838 SPHERICAL BEARINGS KEYWAY OPTIONAL ULTIMATE STATIC RADIAL LOAD NO LOAD ROTATIONAL BREAKAWAY TORQUE INCH - POUNDS FATIGUE LOAD AXIAL PROOF LOAD APPROX WEIGHT NOTES ¶ Add letter “L” to prefix to indicate Left Hand thread. Example: MEL4 Add letter “K” to prefix to indicate Keyway Example: MEK4 For liner specification, see page 54 p HEIM is qualified to supply this part and all variations per SAE-AS81935 (formerly MIL-B-81935) ➎ Based on bolt bending fatigue strength 180,000 PSI ➏ Shank limitation SLEEVE BEARINGS...

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Military Series

Military Series

Catalog excerpts

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