PartsTable
Technical Data Sheet
28B ✓ 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 RESISTOR,FIXED,COMPOSITION is a the manufacturer industrial component. Key specifications include shape: ROUND, material: STEEL BODY, overall_length: 12.250 INCHES NOMINAL IN, mounting_method: BASE, overall_diameter: 7.500 INCHES NOMINAL IN, light_beam_motion: FIXED. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-155-7458, 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
28B
NSN: 3110-00-155-7458
FSC: 3110
CAGE: 79439 — JACOBSEN MFG CO WORTHINGTON MOWER DIVISION (USA)
SPECIFICATIONS
shapeROUND
materialSTEEL BODY
overall_length12.250 INCHES NOMINAL IN
mounting_methodBASE
overall_diameter7.500 INCHES NOMINAL IN
light_beam_motionFIXED
light_adjustment_methodU BOLT BRACKET
voltage_rating_in_volts28.0 AC NOMINAL AND 28.0 DC NOMINAL
wiring_provision_length48.000 INCHES NOMINAL SINGLE PROVISION IN
reflector_inclosure_typeOPEN SINGULAR
lamp_base_type_accommodatedTHREE CONTACT LUGS
lamp_type_accommodated_and_quantity1 INCANDESCENT
NSN3110-00-155-7458
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 28B · 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
CONE CORNER RADIUS: 0.0600 INCHES NOMINAL IN
BORE DIAMETER: 0.7500 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE CUP
CONE WIDTH: 0.8480 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 4
MATERIAL: STEEL OVERALL
STANDOUT WIDTH: 0.2188 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
RETAINER FABRICATION METHODPRESSED
CONE CORNER RADIUS0.0600 INCHES NOMINAL IN
BORE DIAMETER0.7500 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE CUP
CONE WIDTH0.8480 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 4
MATERIALSTEEL OVERALL
STANDOUT WIDTH0.2188 INCHES NOMINAL IN
CUP WIDTH0.6875 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER1.9380 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
559-1561-044Interchangeable
interchangeable cross-reference
interchangeable
RCR07G621JSInterchangeable
interchangeable cross-reference
interchangeable
443-1466-044Interchangeable
interchangeable cross-reference
interchangeable
MP200-15Interchangeable
interchangeable cross-reference
interchangeable
2132AInterchangeable
interchangeable cross-reference
interchangeable
0907-09196Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 28B?
28B is a RESISTOR,FIXED,COMPOSITION.
What parts can replace 28B?
There are 25 known substitutes for 28B: 559-1561-044, RCR07G621JS, 443-1466-044 and 22 more. Substitute compatibility should be verified for your specific system.
Is 28B still available?
28B is currently cancelled.
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