PartsTable
Technical Data Sheet
PartsTable / COMPONENT / GR-20
GR-20 ✓ Verified by PartsTable
— · TAPERED BEARING
WHAT YOU NEED TO KNOW
Cup and cone sold separately — confirm both needed Timken series numbers indicate dimensions
Cup and cone NOT sold as set — verify order
PRODUCT OVERVIEW

The BEARING,ROLLER,NEEDLE is a the manufacturer industrial component. Key specifications include width: 4.500 INCHES NOMINAL IN, length: 9.000 INCHES NOMINAL IN, material: STEEL COMP E51100 OR STEEL COMP E52100 OVERALL, alignment_type: RIGID, minor_thickness: 1.250 INCHES NOMINAL IN, special_features: AFBMA STANDARD TOLERANCE FOR BALLS,GRADE 24. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-079-9979, 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
GR-20
NSN: 3110-00-079-9979
FSC: 3110
CAGE: 39317 — MCGILL MANUFACTURING COMPANY INC USE CAGE CODE 92563 FOR CATALOGING. (USA)
SPECIFICATIONS
width4.500 INCHES NOMINAL IN
length9.000 INCHES NOMINAL IN
materialSTEEL COMP E51100 OR STEEL COMP E52100 OVERALL
alignment_typeRIGID
minor_thickness1.250 INCHES NOMINAL IN
special_featuresAFBMA STANDARD TOLERANCE FOR BALLS,GRADE 24
style_designatorSTRAIGHT SPLIT SOAP
maximum_density_rating41.0 POUNDS PER CUBIC FOOT LBS
minimum_rupture_modulus75.0 POUNDS PER SQUARE INCH (PSI) LBS
rolling_element_diameter1.2500 INCHES NOMINAL IN
nondefinitive_spec/std_dataA CLASS
standard_tolerance_designationAFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
NSN3110-00-079-9979
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: GR-20 · 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
•
ALIGNMENT TYPE: RIGID
•
STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESDUMBELL ROLLERS; OIL HOLE AND GROOVE IN OUTER RACE AND ROLLER RETAINMENT RING
ALIGNMENT TYPERIGID
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
42-1100-500-130Interchangeable
interchangeable cross-reference
interchangeable
97DK047Interchangeable
interchangeable cross-reference
interchangeable
5212907Interchangeable
interchangeable cross-reference
interchangeable
MIL-B-16305Interchangeable
interchangeable cross-reference
interchangeable
MIL-B-163059X4-1/2X1-1/4INInterchangeable
interchangeable cross-reference
interchangeable
BANDW K-20Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is GR-20?
GR-20 is a BEARING,ROLLER,NEEDLE.
What parts can replace GR-20?
There are 12 known substitutes for GR-20: 42-1100-500-130, 97DK047, 5212907 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for GR-20?
GR-20 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-079-9979. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026