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RB-50.8 — SELECTOR CONTROL SUBASSEMBLY

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

RB-50.8: SELECTOR CONTROL SUBASSEMBLY.

The SELECTOR CONTROL SUBASSEMBLY is a the manufacturer industrial component. Key specifications include style_designator: BALL, rolling_element_diameter: 2.0000 INCHES NOMINAL IN, standard_tolerance_designation: AFBMA STD TOLERANCE FOR BALLS, GRADE 3. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-312-0265, 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
RB-50.8
NSN: 3110-01-312-0265
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 52676 — SKF USA INC. (USA)
SPECIFICATIONS
style_designatorBALL
rolling_element_diameter2.0000 INCHES NOMINAL IN
standard_tolerance_designationAFBMA STD TOLERANCE FOR BALLS, GRADE 3
NSN3110-01-312-0265
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: RB-50.8 · 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: 2.0000 INCHES NOMINAL IN
•
STYLE DESIGNATOR: BALL
•
STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCE FOR BALLS, GRADE 3
TECHNICAL CHARACTERISTICS
ROLLING ELEMENT DIAMETER2.0000 INCHES NOMINAL IN
STYLE DESIGNATORBALL
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR BALLS, GRADE 3
SUBSTITUTES & CROSS-REFERENCES 1
10324Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
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 RB-50.8?
RB-50.8 is a SELECTOR CONTROL SUBASSEMBLY.
What parts can replace RB-50.8?
There is 1 known substitute for RB-50.8: 10324. Substitute compatibility should be verified for your specific system.
What is the NSN for RB-50.8?
RB-50.8 is cataloged in the U.S. Government catalog under NSN 3110-01-312-0265. 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.