A02RS251-1 — BEARING,ROLLER,NEEDLE

✓ Government record, cited

— · TAPERED BEARING

PRODUCT OVERVIEW

A02RS251-1: BEARING,ROLLER,NEEDLE.

The BEARING,ROLLER,NEEDLE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1010 RETAINER, bore_diameter: 3.1191 INCHES NOMINAL IN, alignment_type: RIGID, inner_ring_width: 2.0960 INCHES NOMINAL IN, outer_ring_width: 1.6500 INCHES NOMINAL IN, special_features: INNER RING EXTENDS ON ONE SIDE OF OUTER RING. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-829-9846, 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

A02RS251-1

NSN: 3110-00-829-9846
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 60380 — TIMKEN AEROSPACE, INC DBA TORRINGTON PRODUCT (USA)

SPECIFICATIONS

material	STEEL COMP 1010 RETAINER
bore_diameter	3.1191 INCHES NOMINAL IN
alignment_type	RIGID
inner_ring_width	2.0960 INCHES NOMINAL IN
outer_ring_width	1.6500 INCHES NOMINAL IN
special_features	INNER RING EXTENDS ON ONE SIDE OF OUTER RING
overall_outside_diameter	3.3143 INCHES NOMINAL IN
criticality_code_justification	FEAT
standard_tolerance_designation	AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
NSN	3110-00-829-9846

COMPONENT DIAGRAM

KEY FEATURES

•

OUTER RING WIDTH: 1.6500 INCHES NOMINAL IN

•

CRITICALITY CODE JUSTIFICATION: FEAT

•

OVERALL OUTSIDE DIAMETER: 3.3143 INCHES NOMINAL IN

•

ALIGNMENT TYPE: RIGID

•

STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS

•

BORE DIAMETER: 3.1191 INCHES NOMINAL IN

•

MATERIAL: STEEL OUTER RING

TECHNICAL CHARACTERISTICS

OUTER RING WIDTH	1.6500 INCHES NOMINAL IN
CRITICALITY CODE JUSTIFICATION	FEAT
OVERALL OUTSIDE DIAMETER	3.3143 INCHES NOMINAL IN
ALIGNMENT TYPE	RIGID
SPECIAL FEATURES	INNER RING EXTENDS ON ONE SIDE OF OUTER RING
STANDARD TOLERANCE DESIGNATION	AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
BORE DIAMETER	3.1191 INCHES NOMINAL IN
MATERIAL	STEEL OUTER RING
MATERIAL	STEEL INNER RING
MATERIAL	STEEL COMP 1010 RETAINER

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 2

AJ40527Reference document

Same NSN cross-reference

Reference document — Secondary reference

ETJ-74756-9DReference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is A02RS251-1?

A02RS251-1 is a BEARING,ROLLER,NEEDLE.

What parts can replace A02RS251-1?

There are 2 known substitutes for A02RS251-1: AJ40527, ETJ-74756-9D. Substitute compatibility should be verified for your specific system.

What is the NSN for A02RS251-1?

A02RS251-1 is cataloged in the U.S. Government catalog under NSN 3110-00-829-9846. This indicates validated use in U.S. government and defense supply chains.

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