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Technical Data Sheet
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T1-2-1 — Technical Data Sheet

✓ 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 LEVER,MANUAL CONTROL is a the manufacturer industrial component. Key specifications include length: 0.562 INCHES NOMINAL SQUARE END IN, material: RUBBER, tip_type: STRAIGHT, cup_width: 1.1250 INCHES NOMINAL IN, tip_width: 0.234 INCHES NOMINAL IN, body_style: ROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 3110-00-100-5486, 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
T1-2-1
NSN: 3110-00-100-5486
FSC: 3110
CAGE: 66821 — YALE SECURITY INC. DBA NORTON DOOR CONTROL (USA)
SPECIFICATIONS
length0.562 INCHES NOMINAL SQUARE END IN
materialRUBBER
tip_typeSTRAIGHT
cup_width1.1250 INCHES NOMINAL IN
tip_width0.234 INCHES NOMINAL IN
body_styleROUND
cone_width1.4375 INCHES NOMINAL IN
bore_diameter1.2093 INCHES NOMINAL IN
overall_width1.4375 INCHES NOMINAL IN
thread_length1.812 INCHES NOMINAL IN
tip_end_styleSCREWDRIVER
flute_quantity4
NSN3110-00-100-5486
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: T1-2-1 · 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
•
OVERALL OUTSIDE DIAMETER: 4.1250 INCHES NOMINAL IN
•
CUP WIDTH: 1.1250 INCHES NOMINAL IN
•
STYLE DESIGNATOR: STRAIGHT BORE, NORMAL ANGLE
•
BACKFACE CORNER RADIUS: 0.1250 INCHES NOMINAL IN
•
STANDOUT WIDTH: 0.3125 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
BORE DIAMETER: 2.0000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL OUTSIDE DIAMETER4.1250 INCHES NOMINAL IN
CUP WIDTH1.1250 INCHES NOMINAL IN
STYLE DESIGNATORSTRAIGHT BORE, NORMAL ANGLE
BACKFACE CORNER RADIUS0.1250 INCHES NOMINAL IN
STANDOUT WIDTH0.3125 INCHES NOMINAL IN
OVERALL WIDTH1.4375 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
BORE DIAMETER2.0000 INCHES NOMINAL IN
CONE WIDTH1.4375 INCHES NOMINAL IN
CONE CORNER RADIUS0.1400 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
SCB61809InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
B94.9 5/8-11 UNC HS C H2InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
103 5/8-11 UNCInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
C62317InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
81InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
4922DInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is T1-2-1?
T1-2-1 is a LEVER,MANUAL CONTROL.
What parts can replace T1-2-1?
There are 11 known substitutes for T1-2-1: SCB61809, B94.9 5/8-11 UNC HS C H2, 103 5/8-11 UNC and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for T1-2-1?
T1-2-1 is cataloged in the Federal Logistics Information System under NSN 3110-00-100-5486. 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: October 2026