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Technical Data Sheet
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371B1 — BEARING,BALL,ANNULAR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

371B1: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 1.750 INCHES MINIMUM IN, fastener_length: 6.365 INCHES MINIMUM AND 6.385 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-555-5226, 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
371B1
NSN: 3110-00-555-5226
NIINs: 005555226, 007521835
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 21760 — SCHATZ BEARING CORPORATION DBA SCHATZ BEARING CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
thread_class2A A
thread_length1.750 INCHES MINIMUM IN
fastener_length6.365 INCHES MINIMUM AND 6.385 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
features_providedUNFINISHED HEAD
width_between_flats1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM IN
nominal_thread_diameter0.750 INCHES IN
thread_quantity_per_inch16
thread_series_designatorUNF
NSN3110-00-555-5226
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 371B1 · 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
•
RETAINER FABRICATION METHOD: PRESSED
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
OVERALL OUTSIDE DIAMETER: 22.00 MILLIMETERS NOMINAL MM
•
BORE SHAPE: STRAIGHT
•
LOAD DIRECTION: RADIAL
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODPRESSED
SURFACE FINISHGROUND
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
OVERALL WIDTH7.0 MILLIMETERS NOMINAL MM
OVERALL OUTSIDE DIAMETER22.00 MILLIMETERS NOMINAL MM
BORE SHAPESTRAIGHT
LOAD DIRECTIONRADIAL
SPECIAL FEATURESTYPE 111, CLASS 1, GRADE 00
STANDARD TOLERANCE DESIGNATIONABEC NO.1
BORE DIAMETER7.00 MILLIMETERS NOMINAL MM
SUBSTITUTES & CROSS-REFERENCES 9
37Reference document
Same NSN cross-reference
Reference document — Secondary reference
R7Reference document
Same NSN cross-reference
Reference document — Secondary reference
R7YReference document
Same NSN cross-reference
Reference document — Secondary reference
209-00097Reference document
Same NSN cross-reference
Reference document — Secondary reference
200185Reference document
Same NSN cross-reference
Reference document — Secondary reference
10-6741Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 371B1?
371B1 is a BEARING,BALL,ANNULAR.
What parts can replace 371B1?
There are 9 known substitutes for 371B1: 37, R7, R7Y and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 371B1?
371B1 is cataloged in the U.S. Government catalog under NSN 3110-00-555-5226. This indicates validated use in U.S. government and defense supply chains.
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