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W2897 — ROLLER,BEARING

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

W2897: ROLLER,BEARING.

The ROLLER,BEARING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 5140 OVERALL, overall_length: 2.4950 INCHES MINIMUM AND 2.5050 INCHES MAXIMUM IN, special_features: RADIUS 0.3750 IN. ON OD CORNERS IN, style_designator: CYLINDRICAL ROLLER, FLAT ENDS, surface_treatment: PHOSPHATE OVERALL, rolling_element_diameter: 1.9948 INCHES MINIMUM AND 1.9952 INCHES MAXIMUM IN.

This part is cataloged in the U.S. Government catalog under NSN 3110-00-271-0139, 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
W2897
NSN: 3110-00-271-0139
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 51600 — REGAL BELOIT AMERICA, INC. DBA ROLLWAY BEARING (USA)
SPECIFICATIONS
materialSTEEL COMP 5140 OVERALL
overall_length2.4950 INCHES MINIMUM AND 2.5050 INCHES MAXIMUM IN
special_featuresRADIUS 0.3750 IN. ON OD CORNERS IN
style_designatorCYLINDRICAL ROLLER, FLAT ENDS
surface_treatmentPHOSPHATE OVERALL
rolling_element_diameter1.9948 INCHES MINIMUM AND 1.9952 INCHES MAXIMUM IN
NSN3110-00-271-0139
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: W2897 · OEM ⚠ VERIFY BEFORE ORDERING Cup and cone sold separately — verify you are ordering BOTH parts or the correct component. Always replace cup and cone together — mismatched wear = premature failure ✓ BROKER TIP Taper angle determines axial load capacity. Steeper angle = higher axial load rating. Timken series numbers indicate dimensions — cross-reference carefully PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
ROLLING ELEMENT DIAMETER: 1.9948 INCHES MINIMUM AND 1.9952 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: CYLINDRICAL ROLLER, FLAT ENDS
•
SURFACE TREATMENT: PHOSPHATE OVERALL
•
MATERIAL: STEEL COMP 5140 OVERALL
TECHNICAL CHARACTERISTICS
ROLLING ELEMENT DIAMETER1.9948 INCHES MINIMUM AND 1.9952 INCHES MAXIMUM IN
STYLE DESIGNATORCYLINDRICAL ROLLER, FLAT ENDS
OVERALL LENGTH2.4950 INCHES MINIMUM AND 2.5050 INCHES MAXIMUM IN
SPECIAL FEATURESRADIUS 0.3750 IN. ON OD CORNERS IN
SURFACE TREATMENTPHOSPHATE OVERALL
MATERIALSTEEL COMP 5140 OVERALL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 W2897?
W2897 is a ROLLER,BEARING.
What is the NSN for W2897?
W2897 is cataloged in the U.S. Government catalog under NSN 3110-00-271-0139. 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.