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SBU40RGH74A — BEARING,PLAIN,SELF-ALIGNING

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

SBU40RGH74A: BEARING,PLAIN,SELF-ALIGNING.

The BEARING,PLAIN,SELF-ALIGNING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 630 OUTER RACE MEMBER, bore_diameter: 1.2495 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM IN, hardness_rating: 36.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OUTER RACE MEMBER, style_designator: WITHOUT INSERT OR LINER WITH STAKING GROOVE, inner_member_width: 1.2450 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM IN, outer_member_width: 0.9950 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-281-3062, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
SBU40RGH74A
NSN: 3120-00-281-3062
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 21335 — TIMKEN CO DIV THE TIMKEN COMPANY (USA)
SPECIFICATIONS
materialSTEEL COMP 630 OUTER RACE MEMBER
bore_diameter1.2495 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM IN
hardness_rating36.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OUTER RACE MEMBER
style_designatorWITHOUT INSERT OR LINER WITH STAKING GROOVE
inner_member_width1.2450 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM IN
outer_member_width0.9950 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN
lubrication_featurePERFORATION INNER MEMBER
static_radial_load_rating152000 POUNDS LBS
outer_member_outside_diameter2.3120 INCHES MINIMUM AND 2.3125 INCHES MAXIMUM IN
material_document_and_classificationMIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE LUBRICATION
NSN3120-00-281-3062
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: SBU40RGH74A · OEM ⚠ VERIFY BEFORE ORDERING ABEC grade: higher = tighter tolerance = higher cost. ABEC-1 is standard, ABEC-7+ for precision spindles. Open, shielded (ZZ), and sealed (2RS) versions have different max RPM ratings ✓ BROKER TIP 2RS = sealed for life (no maintenance). ZZ = shielded, re-greaseable. Open = must lubricate on install. Common interchange: 6205-2RS = 6205-2RSR = 6205-DDU (same bearing, different suffix) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
INNER MEMBER WIDTH: 1.2450 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM IN
•
HARDNESS RATING: 238.0 ROCKWELL C NOMINAL INNER MEMBER
•
OUTER MEMBER WIDTH: 0.9950 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: WITHOUT INSERT OR LINER WITH STAKING GROOVE
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE LUBRICATION
•
LUBRICATION FEATURE: PERFORATION OUTER RACE MEMBER
TECHNICAL CHARACTERISTICS
INNER MEMBER WIDTH1.2450 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM IN
HARDNESS RATING238.0 ROCKWELL C NOMINAL INNER MEMBER
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OUTER RACE MEMBER
OUTER MEMBER WIDTH0.9950 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN
STYLE DESIGNATORWITHOUT INSERT OR LINER WITH STAKING GROOVE
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE LUBRICATION
LUBRICATION FEATUREPERFORATION OUTER RACE MEMBER
LUBRICATION FEATUREPERFORATION INNER MEMBER
LUBRICATION FEATUREGROOVE EXTERNAL OUTER MEMBER
LUBRICATION FEATUREGROOVE INTERNAL OUTER MEMBER
SUBSTITUTES & CROSS-REFERENCES 7
SBU40RGH74MReference document
Same NSN cross-reference
Reference document — Secondary reference
M81936/1-20Reference document
Same NSN cross-reference
Reference document — Secondary reference
SAE AS81936/1Reference document
Same NSN cross-reference
Reference document — Secondary reference
AS81936/1Reference document
Same NSN cross-reference
Reference document — Secondary reference
BSSN20-2025G3Reference document
Same NSN cross-reference
Reference document — Secondary reference
ST4M123G20Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is SBU40RGH74A?
SBU40RGH74A is a BEARING,PLAIN,SELF-ALIGNING.
What parts can replace SBU40RGH74A?
There are 7 known substitutes for SBU40RGH74A: SBU40RGH74M, M81936/1-20, SAE AS81936/1 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SBU40RGH74A?
SBU40RGH74A is cataloged in the U.S. Government catalog under NSN 3120-00-281-3062. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.