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157733F — HOUSING,BEARING UNIT

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

157733F: HOUSING,BEARING UNIT.

The HOUSING,BEARING UNIT is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_diameter: 4.8750 INCHES NOMINAL IN, end_similarity: NOT IDENTICAL, housing_length: 2.3125 INCHES NOMINAL IN, shaft_end_type: CLOSED, flange_thickness: 0.5312 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3130-01-041-3763, 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
157733F
NSN: 3130-01-041-3763
NIINs: 010413763, 010425294, 010425740, 010441106
FSC: 3130 — Bearings, Mounted
CAGE: 05340 — LIDGERWOOD MANUFACTURING COMPANY DBA LIDGERWOOD MANUFACTURING CO DIV LIDGERWOOD MANUFACURING CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_diameter4.8750 INCHES NOMINAL IN
end_similarityNOT IDENTICAL
housing_length2.3125 INCHES NOMINAL IN
shaft_end_typeCLOSED
flange_thickness0.5312 INCHES NOMINAL IN
housing_diameter8.2500 INCHES NOMINAL IN
mounting_hole_typeROUND, UNTHREADED
bolt_circle_diameter7.0000 INCHES NOMINAL IN
mounting_hole_diameter0.5312 INCHES NOMINAL IN
general_characteristics_item_descriptionSTEEL,QQ-S-624,COMP 4140,W/INTERNAL KEYWAY W
NSN3130-01-041-3763
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 157733F · 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
•
FLANGE THICKNESS: 0.5312 INCHES NOMINAL IN
•
MOUNTING HOLE TYPE: ROUND, UNTHREADED
•
MOUNTING HOLE DIAMETER: 0.5312 INCHES NOMINAL IN
•
BOLT CIRCLE DIAMETER: 7.0000 INCHES NOMINAL IN
•
SHAFT END TYPE: CLOSED
•
BORE DIAMETER: 4.8750 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
HOUSING LENGTH: 2.3125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FLANGE THICKNESS0.5312 INCHES NOMINAL IN
MOUNTING HOLE TYPEROUND, UNTHREADED
MOUNTING HOLE DIAMETER0.5312 INCHES NOMINAL IN
BOLT CIRCLE DIAMETER7.0000 INCHES NOMINAL IN
SHAFT END TYPECLOSED
BORE DIAMETER4.8750 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
HOUSING LENGTH2.3125 INCHES NOMINAL IN
HOUSING DIAMETER8.2500 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 2
157733FPC36Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
N7600C8Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 157733F?
157733F is a HOUSING,BEARING UNIT.
What parts can replace 157733F?
There are 2 known substitutes for 157733F: 157733FPC36, N7600C8. Substitute compatibility should be verified for your specific system.
What is the NSN for 157733F?
157733F is cataloged in the U.S. Government catalog under NSN 3130-01-041-3763. 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.