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70BTM — CAPACITOR,FIXED,PAPER DIELECTRIC

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

70BTM: CAPACITOR,FIXED,PAPER DIELECTRIC.

CAPACITOR,FIXED,PAPER DIELECTRIC. Key specifications include material: STEEL BALL, alignment_type: RIGID, overall_height: 27.00 MILLIMETERS NOMINAL MM, surface_finish: GROUND, style_designator: GROOVED RACE SURFACE, bore_smallest_diameter: 70.00 MILLIMETERS NOMINAL MM. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-156-1898, 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
70BTM
NSN: 3110-00-156-1898
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 70413 — ANTI-FRICTION BEARING MFG ASSN INC THE (USA)
SPECIFICATIONS
materialSTEEL BALL
alignment_typeRIGID
overall_height27.00 MILLIMETERS NOMINAL MM
surface_finishGROUND
style_designatorGROOVED RACE SURFACE
bore_smallest_diameter70.00 MILLIMETERS NOMINAL MM
overall_outside_diameter103.00 MILLIMETERS MAXIMUM MM
standard_tolerance_designationAFBMA STD TOLERANCE FOR THRUST BEARINGS
thrust_directional_capability_designationSINGLE
NSN3110-00-156-1898
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 70BTM · 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
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: GROOVED RACE SURFACE
•
THRUST DIRECTIONAL CAPABILITY DESIGNATION: SINGLE
•
OVERALL OUTSIDE DIAMETER: 103.00 MILLIMETERS MAXIMUM MM
•
BORE SMALLEST DIAMETER: 70.00 MILLIMETERS NOMINAL MM
•
ALIGNMENT TYPE: RIGID
•
STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCE FOR THRUST BEARINGS
TYPICAL APPLICATIONS
  • RAID cache protection during power loss events
  • Write-back cache enablement for storage controllers
  • Enterprise server data integrity assurance
  • Hot-swap battery/capacitor replacement in production
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT27.00 MILLIMETERS NOMINAL MM
SURFACE FINISHGROUND
STYLE DESIGNATORGROOVED RACE SURFACE
THRUST DIRECTIONAL CAPABILITY DESIGNATIONSINGLE
OVERALL OUTSIDE DIAMETER103.00 MILLIMETERS MAXIMUM MM
BORE SMALLEST DIAMETER70.00 MILLIMETERS NOMINAL MM
ALIGNMENT TYPERIGID
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR THRUST BEARINGS
MATERIALSTEEL BALL
MATERIALSTEEL WASHER
SUBSTITUTES & CROSS-REFERENCES 8
158-285Reference document
Same NSN cross-reference
Reference document — Secondary reference
914FReference document
Same NSN cross-reference
Reference document — Secondary reference
72-6970-947Reference document
Same NSN cross-reference
Reference document — Secondary reference
MS17167-107Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
1114Reference document
Same NSN cross-reference
Reference document — Secondary reference
77377Reference 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 70BTM?
70BTM is a CAPACITOR,FIXED,PAPER DIELECTRIC.
What parts can replace 70BTM?
There are 8 known substitutes for 70BTM: 158-285, 914F, 72-6970-947 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 70BTM?
70BTM is cataloged in the U.S. Government catalog under NSN 3110-00-156-1898. This indicates validated use in U.S. government and defense supply chains.
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