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M131 — BEARING,BALL,ANNULAR

✓ Government record, cited
Brother · TAPERED BEARING
PRODUCT OVERVIEW

M131: BEARING,BALL,ANNULAR.

M131 1/2" Black on Clear M tape (26.2 ft) For Use With: PT-100, PT-65, PT-65SCCP, PT-65VP, PT-70, PT-70BBVP, PT-70BM, PT-70BMH, PT-70HOL, PT-70SP, PT-80, PT-80SCCP, PT-85 . Key specifications include height: 0.062 INCHES NOMINAL IN, diameter: 1.25 INCHES NOMINAL IN, material: STEEL CORROSION RESISTING OVERALL, unit_type: CONCERT BAND, body_style: HOLE MOUNT, bore_shape: STRAIGHT. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-157-1877, 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
M131
NSN: 3110-00-157-1877
NIINs: 001571877, 005361464, 008358565, 012789987, 013062415, 013115351, 015999015, 016834620
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 61208 — TWIN DISC, INCORPORATED DBA TWIN DISC MID-ATLANTIC (USA)
SPECIFICATIONS
height0.062 INCHES NOMINAL IN
diameter1.25 INCHES NOMINAL IN
materialSTEEL CORROSION RESISTING OVERALL
unit_typeCONCERT BAND
body_styleHOLE MOUNT
bore_shapeSTRAIGHT
body_height2.875 INCHES NOMINAL IN
bore_diameter5.6250 INCHES NOMINAL IN
coil_quantity5
overall_width0.7500 INCHES NOMINAL IN
inclosure_typeFULLY INCLOSED
load_directionRADIAL
NSN3110-00-157-1877
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: M131 · Brother ⚠ 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: MACHINED
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
SURFACE FINISH: GROUND
•
SHIELD QUANTITY: 1
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
OVERALL OUTSIDE DIAMETER: 7.6250 INCHES NOMINAL IN
•
BORE SHAPE: STRAIGHT
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODMACHINED
INTERNAL FIT-UP DESIGNATIONSTANDARD
SURFACE FINISHGROUND
SHIELD QUANTITY1
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
OVERALL WIDTH0.7500 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER7.6250 INCHES NOMINAL IN
BORE SHAPESTRAIGHT
LOAD DIRECTIONRADIAL
SPECIAL FEATURESOUTER RING CORNER RADIUS 0.100 IN.TO 0.0150 IN.ON SHIELDED SIDE,ALL OTHER CORNER RADII 0.1250 IN. IN
SUBSTITUTES & CROSS-REFERENCES 10
X8841PCM131Reference document
Same NSN cross-reference
Reference document — Secondary reference
9B646Reference document
Same NSN cross-reference
Reference document — Secondary reference
18317PCM131Reference document
Same NSN cross-reference
Reference document — Secondary reference
X8761APCM131Reference document
Same NSN cross-reference
Reference document — Secondary reference
20681PCM131Reference document
Same NSN cross-reference
Reference document — Secondary reference
17652PCM131Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 M131?
M131 is a BEARING,BALL,ANNULAR manufactured by Brother.
What parts can replace M131?
There are 10 known substitutes for M131: X8841PCM131, 9B646, 18317PCM131 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M131?
M131 is cataloged in the U.S. Government catalog under NSN 3110-00-157-1877. This indicates validated use in U.S. government and defense supply chains.
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