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Technical Data Sheet

GRFD1 15/16 — BEARING UNIT,BALL

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

GRFD1 15/16: BEARING UNIT,BALL.

The BEARING UNIT,BALL is a the manufacturer industrial component. Key specifications include material: IRON MALLEABLE HOUSING, seal_type: CONTACT, block_type: FIXED, bore_diameter: 1.9375 INCHES NOMINAL IN, seal_location: BOTH ENDS, alignment_type: SELF-ALIGNING. This part is cataloged in the U.S.

Government catalog under NSN 3130-01-213-4375, 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
GRFD1 15/16
NSN: 3130-01-213-4375
FSC: 3130 — Bearings, Mounted
CAGE: 21335 — TIMKEN CO DIV THE TIMKEN COMPANY (USA)
SPECIFICATIONS
materialIRON MALLEABLE HOUSING
seal_typeCONTACT
block_typeFIXED
bore_diameter1.9375 INCHES NOMINAL IN
seal_locationBOTH ENDS
alignment_typeSELF-ALIGNING
housing_height5.298 INCHES NOMINAL IN
housing_length1.1250 INCHES NOMINAL IN
shaft_end_typeOPEN
collar_locationONE END
flange_thickness0.625 INCHES NOMINAL IN
housing_diameter4.469 INCHES NOMINAL IN
NSN3130-01-213-4375
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: GRFD1 15/16 · OEM ⚠ VERIFY BEFORE ORDERING ABEC grade: higher = tighter tolerance = higher cost. ABEC-1 is standard, ABEC-7+ for precision spindles. Open, shielded (ZZ), and sealed (2RS) versions have different max RPM ratings ✓ BROKER TIP 2RS = sealed for life (no maintenance). ZZ = shielded, re-greaseable. Open = must lubricate on install. Common interchange: 6205-2RS = 6205-2RSR = 6205-DDU (same bearing, different suffix) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
SEAL TYPE: CONTACT
•
LUBRICATION MATERIAL: GREASE
•
LUBRICATION FITTING TYPE: HYDRAULIC
•
ASSEMBLY OVERALL LENGTH: 2.469 INCHES NOMINAL IN
•
HOUSING HEIGHT: 5.298 INCHES NOMINAL IN
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
FLANGE THICKNESS: 0.625 INCHES NOMINAL IN
•
MOUNTING HOLE TYPE: SQUARE
TECHNICAL CHARACTERISTICS
SEAL TYPECONTACT
LUBRICATION MATERIALGREASE
LUBRICATION FITTING TYPEHYDRAULIC
ASSEMBLY OVERALL LENGTH2.469 INCHES NOMINAL IN
HOUSING HEIGHT5.298 INCHES NOMINAL IN
INTERNAL FIT-UP DESIGNATIONSTANDARD
FLANGE THICKNESS0.625 INCHES NOMINAL IN
MOUNTING HOLE TYPESQUARE
ROTATING ELEMENT LOCKING METHODECCENTRIC CAM LOCKING COLLAR
SEAL LOCATIONBOTH ENDS
OTHER ITEMS IN FSC 3130 — Bearings, Mounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3130-00-001-5118 3130-00-001-5137 3130-00-001-6585 3130-00-003-0422 3130-00-003-0455 3130-00-003-0794 3130-00-003-2802 3130-00-003-9535
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 GRFD1 15/16?
GRFD1 15/16 is a BEARING UNIT,BALL.
What is the NSN for GRFD1 15/16?
GRFD1 15/16 is cataloged in the U.S. Government catalog under NSN 3130-01-213-4375. 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.