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Technical Data Sheet
PartsTable / COMPONENT / R145
R145 ✓ 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,CYLINDRICAL is a the manufacturer industrial component. Key specifications include color: BLACK, material: RUBBER NATURAL, bore_shape: STRAIGHT, bore_diameter: 45.00 MILLIMETERS NOMINAL MM, hole_diameter: 0.188 INCHES NOMINAL IN, overall_width: 19.00 MILLIMETERS NOMINAL MM. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-155-7350, 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
R145
NSN: 3110-00-155-7350
FSC: 3110
CAGE: 80038 — EQUITABLE BEARING CO INC (USA)
SPECIFICATIONS
colorBLACK
materialRUBBER NATURAL
bore_shapeSTRAIGHT
bore_diameter45.00 MILLIMETERS NOMINAL MM
hole_diameter0.188 INCHES NOMINAL IN
overall_width19.00 MILLIMETERS NOMINAL MM
overall_height0.500 INCHES NOMINAL IN
surface_finishGROUND
locating_featureNONLOCATING
style_designatorPAN TOP COUNTERBORED
first_counterbore_depth0.250 INCHES NOMINAL IN
material_hardness_rating60.0 DUROMETER NOMINAL
NSN3110-00-155-7350
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: R145 · 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
•
STYLE DESIGNATOR: SINGLE ROW, NON-LOCATING, TWO LIP INNER RING, CYLINDRICAL OUTER RING, SEPARABLE
•
MATERIAL: STEEL INNER RING
•
OVERALL OUTSIDE DIAMETER: 85.00 MILLIMETERS NOMINAL MM
•
STANDARD TOLERANCE DESIGNATION: RBEC NO.1
•
LOCATING FEATURE: NONLOCATING
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL WIDTH19.00 MILLIMETERS NOMINAL MM
STYLE DESIGNATORSINGLE ROW, NON-LOCATING, TWO LIP INNER RING, CYLINDRICAL OUTER RING, SEPARABLE
MATERIALSTEEL INNER RING
MATERIALSTEEL OUTER RING
MATERIALSTEEL ROLLER
OVERALL OUTSIDE DIAMETER85.00 MILLIMETERS NOMINAL MM
STANDARD TOLERANCE DESIGNATIONRBEC NO.1
LOCATING FEATURENONLOCATING
BORE SHAPESTRAIGHT
BORE DIAMETER45.00 MILLIMETERS NOMINAL MM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
2194Interchangeable
interchangeable cross-reference
interchangeable
R145Interchangeable
interchangeable cross-reference
interchangeable
7311894Interchangeable
interchangeable cross-reference
interchangeable
BU1209ZInterchangeable
Same NIIN cross-reference
interchangeable
G05581-831Interchangeable
Same NIIN cross-reference
interchangeable
N209Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is R145?
R145 is a BEARING,ROLLER,CYLINDRICAL.
What parts can replace R145?
There are 10 known substitutes for R145: 2194, R145, 7311894 and 7 more. Substitute compatibility should be verified for your specific system.
Is R145 still available?
R145 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026