PartsTable
Technical Data Sheet

SR620PPD3K811/287 — BEARING,BALL,ANNULAR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

SR620PPD3K811/287: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL COMP 302 OR STEEL COMP 305 RETAINER, bore_shape: STRAIGHT, bore_diameter: 0.3747 INCHES MINIMUM AND 0.3751 INCHES MAXIMUM IN, overall_width: 0.1552 INCHES MINIMUM AND 0.1562 INCHES MAXIMUM IN, load_direction: RADIAL, surface_finish: GROUND. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-133-2248, 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
SR620PPD3K811/287
NSN: 3110-01-133-2248
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 83086 — NEW HAMPSHIRE BALL BEARINGS INC DIV HITECH DIVISION (USA)
SPECIFICATIONS
materialSTEEL COMP 302 OR STEEL COMP 305 RETAINER
bore_shapeSTRAIGHT
bore_diameter0.3747 INCHES MINIMUM AND 0.3751 INCHES MAXIMUM IN
overall_width0.1552 INCHES MINIMUM AND 0.1562 INCHES MAXIMUM IN
load_directionRADIAL
surface_finishGROUND
shield_quantity2
special_features30 PCT TO 50 PCT FULL OF SPECIFIED LUBRICANT
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
internal_clearance0.0008 INCHES MINIMUM RADIAL AND 0.0011 INCHES MAXIMUM RADIAL IN
lubrication_materialGREASE
overall_outside_diameter0.6246 INCHES MINIMUM AND 0.6252 INCHES MAXIMUM IN
NSN3110-01-133-2248
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: SR620PPD3K811/287 · 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
•
LUBRICATION MATERIAL: GREASE
•
INTERNAL CLEARANCE: 0.0008 INCHES MINIMUM RADIAL AND 0.0011 INCHES MAXIMUM RADIAL IN
•
SURFACE FINISH: GROUND
•
SHIELD QUANTITY: 2
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD ALL MATERIAL RESPONSES OVERALL
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODPRESSED
LUBRICATION MATERIALGREASE
INTERNAL CLEARANCE0.0008 INCHES MINIMUM RADIAL AND 0.0011 INCHES MAXIMUM RADIAL IN
SURFACE FINISHGROUND
SHIELD QUANTITY2
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
OVERALL WIDTH0.1552 INCHES MINIMUM AND 0.1562 INCHES MAXIMUM IN
OVERALL OUTSIDE DIAMETER0.6246 INCHES MINIMUM AND 0.6252 INCHES MAXIMUM IN
BORE SHAPESTRAIGHT
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 3
144A9662P1Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
10107505Reference document
Same NSN cross-reference
Reference document — Informative reference only
SSRI-1038ZZRA5P811LG4Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is SR620PPD3K811/287?
SR620PPD3K811/287 is a BEARING,BALL,ANNULAR.
What parts can replace SR620PPD3K811/287?
There are 3 known substitutes for SR620PPD3K811/287: 144A9662P1, 10107505, SSRI-1038ZZRA5P811LG4. Substitute compatibility should be verified for your specific system.
What is the NSN for SR620PPD3K811/287?
SR620PPD3K811/287 is cataloged in the U.S. Government catalog under NSN 3110-01-133-2248. 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.