120BU50REF1B2 — BEARING,ROLLER,SELF-ALIGNING

✓ Government record, cited

— · TAPERED BEARING

PRODUCT OVERVIEW

120BU50REF1B2: BEARING,ROLLER,SELF-ALIGNING.

The BEARING,ROLLER,SELF-ALIGNING is a the manufacturer industrial component. Key specifications include material: STEEL ROLLER, bore_shape: STRAIGHT, bore_diameter: 70.00 MILLIMETERS NOMINAL MM, overall_width: 31.00 MILLIMETERS NOMINAL MM, surface_finish: GROUND, special_features: OIL HOLE AND GROOVE IN OUTER RING OD. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-133-9538, 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

120BU50REF1B2

NSN: 3110-01-133-9538
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 21444 — REXNORD INDUSTRIES LLC (USA)

SPECIFICATIONS

material	STEEL ROLLER
bore_shape	STRAIGHT
bore_diameter	70.00 MILLIMETERS NOMINAL MM
overall_width	31.00 MILLIMETERS NOMINAL MM
surface_finish	GROUND
special_features	OIL HOLE AND GROOVE IN OUTER RING OD
style_designator	DOUBLE ROW, SPHERICAL ROLLERS, SELF-CONTAINED, OUTER AND INNER RACEWAYS CONCAVE, NON-SEPARABLE
overall_outside_diameter	125.00 MILLIMETERS NOMINAL MM
internal_fit-up_designation	LOOSE
retainer_fabrication_method	PRESSED
standard_tolerance_designation	RBEC NO.1
NSN	3110-01-133-9538

COMPONENT DIAGRAM

KEY FEATURES

•

RETAINER FABRICATION METHOD: PRESSED

•

INTERNAL FIT-UP DESIGNATION: LOOSE

•

SURFACE FINISH: GROUND

•

STYLE DESIGNATOR: DOUBLE ROW, SPHERICAL ROLLERS, SELF-CONTAINED, OUTER AND INNER RACEWAYS CONCAVE, NON-SEPARABLE

•

OVERALL OUTSIDE DIAMETER: 125.00 MILLIMETERS NOMINAL MM

•

BORE SHAPE: STRAIGHT

TECHNICAL CHARACTERISTICS

RETAINER FABRICATION METHOD	PRESSED
INTERNAL FIT-UP DESIGNATION	LOOSE
SURFACE FINISH	GROUND
STYLE DESIGNATOR	DOUBLE ROW, SPHERICAL ROLLERS, SELF-CONTAINED, OUTER AND INNER RACEWAYS CONCAVE, NON-SEPARABLE
OVERALL WIDTH	31.00 MILLIMETERS NOMINAL MM
OVERALL OUTSIDE DIAMETER	125.00 MILLIMETERS NOMINAL MM
BORE SHAPE	STRAIGHT
SPECIAL FEATURES	OIL HOLE AND GROOVE IN OUTER RING OD
STANDARD TOLERANCE DESIGNATION	RBEC NO.1
BORE DIAMETER	70.00 MILLIMETERS NOMINAL MM

OTHER ITEMS IN FSC 3110 — Bearings, Antifriction, Unmounted

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

3110-00-001-1937 3110-00-001-1938 3110-00-001-4661 3110-00-001-4662 3110-00-001-4689 3110-00-001-4722

SUBSTITUTES & CROSS-REFERENCES 1

919697Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

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 120BU50REF1B2?

120BU50REF1B2 is a BEARING,ROLLER,SELF-ALIGNING.

What parts can replace 120BU50REF1B2?

There is 1 known substitute for 120BU50REF1B2: 919697. Substitute compatibility should be verified for your specific system.

What is the NSN for 120BU50REF1B2?

120BU50REF1B2 is cataloged in the U.S. Government catalog under NSN 3110-01-133-9538. This indicates validated use in U.S. government and defense supply chains.

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120BU50REF1B2 — BEARING,ROLLER,SELF-ALIGNING

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