PartsTable
Technical Data Sheet
Download PDF

7R20 — BEARING,BALL,ANNULAR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

7R20: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_shape: STRAIGHT, switch_type: ROTARY, bore_diameter: 1.2500 INCHES NOMINAL IN, overall_width: 0.504 INCHES NOMINAL IN, inclosure_type: FULLY INCLOSED. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-155-8908, 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
7R20
NSN: 3110-00-155-8908
NIINs: 001558908, 002801426
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
switch_typeROTARY
bore_diameter1.2500 INCHES NOMINAL IN
overall_width0.504 INCHES NOMINAL IN
inclosure_typeFULLY INCLOSED
load_directionRADIAL
overall_height1.250 INCHES NOMINAL IN
overall_length3.360 INCHES MAXIMUM IN
surface_finishGROUND
mounting_methodHOLE
shield_quantity1
NSN3110-00-155-8908
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 7R20 · 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
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
SURFACE FINISH: GROUND
•
SHIELD QUANTITY: 1
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
OVERALL OUTSIDE DIAMETER: 2.2500 INCHES NOMINAL IN
•
BORE SHAPE: STRAIGHT
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODPRESSED
INTERNAL FIT-UP DESIGNATIONSTANDARD
SURFACE FINISHGROUND
SHIELD QUANTITY1
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
OVERALL WIDTH0.5000 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER2.2500 INCHES NOMINAL IN
BORE SHAPESTRAIGHT
DEPARTURE FROM CITED DESIGNATORAS MODIFIED BY OVERALL WIDTH,AS MODIFIED BY SHIELD QUANTITY
NONDEFINITIVE SPEC/STD DATA115 TYPE AND 00 GRADE
SUBSTITUTES & CROSS-REFERENCES 7
7R20X1Reference document
Same NSN cross-reference
Reference document — Secondary reference
20BIC10JPReference document
Same NSN cross-reference
Reference document — Secondary reference
FFB171Reference document
Same NSN cross-reference
Reference document — Identification reference
319687-403Reference document
Same NSN cross-reference
Reference document — Secondary reference
177039-91Reference document
Same NSN cross-reference
Reference document — Secondary reference
C20SSReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy 7R20?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 7R20?
7R20 is a BEARING,BALL,ANNULAR.
What parts can replace 7R20?
There are 7 known substitutes for 7R20: 7R20X1, 20BIC10JP, FFB171 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 7R20?
7R20 is cataloged in the U.S. Government catalog under NSN 3110-00-155-8908. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 7R20