PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B-812-OHBearing,roller,needle

Timken Aerospace, Inc Dba Torrington Product · NSN 3110-00-156-7724 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-156-7724 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-156-7724. Primary manufacturer part number: B-812-OH.
Features
  • Bearing,roller,needle — FSC 3110
  • Alignment Type: RIGID
  • Material: STEEL COMP 8615 OR STEEL COMP 1010 OR STEEL COMP 1020 OUTER RING
  • Bore Diameter: 0.5005 INCHES MINIMUM AND 0.5015 INCHES MAXIMUM IN
  • Style Designator: NON-SEPARABLE, OPEN END, DRAWN SHELL
  • Retainer Fabrication Method: PRESSED
  • Standard Tolerance Designation: AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
  • Style Designator: NON-SEPARABLE, OPEN END, DRAWN SHELL
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Comp 8615 or Steel Comp 1010 or Steel Comp 1020 Outer Ring construction
General Description

The Bearing,roller,needle, cataloged under National Stock Number 3110-00-156-7724, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Timken Aerospace, Inc Dba Torrington Product. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 13 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-156-7724
Primary Part NumberB-812-OH
Item NameBearing,roller,needle
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerTimken Aerospace, Inc Dba Torrington Product
StatusCANCELLED
Alignment TypeRIGID
MaterialSTEEL COMP 8615 OR STEEL COMP 1010 OR STEEL COMP 1020 OUTER RING
Bore Diameter0.5005 INCHES MINIMUM AND 0.5015 INCHES MAXIMUM IN
Style DesignatorNON-SEPARABLE, OPEN END, DRAWN SHELL
Retainer Fabrication MethodPRESSED
Standard Tolerance DesignationAFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
Style DesignatorNON-SEPARABLE, OPEN END, DRAWN SHELL
MaterialSTEEL COMP 1090 OR STEEL COMP 1095 ROLLER
MaterialSTEEL COMP 1090 OR STEEL COMP 1095 ROLLER
Alignment TypeRIGID
Surface FinishGROUND
Overall Outside Diameter0.6875 INCHES NOMINAL IN
Standard Tolerance DesignationAFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
3030-00-246-0184 INTERCHANGEABLE
Belts,v,matched Set
5365-00-825-8229B8-12 INTERCHANGEABLE
Spacer,sleeve
Roller Bearing Co of America, Inc Div Pic Design
3455-00-988-2895B8-12R INTERCHANGEABLE
Blade,band Saw,metal Cutting
Armstrong-Blum Mfg. Co.
6350-01-147-7299B812 INTERCHANGEABLE
Buzzer
Western Radio Electronics, Inc.
3110-01-172-195192000024 INTERCHANGEABLE
Bearing,roller,needle
Level 10 Industries, Inc. Div Level 10 Industries
5998-01-505-3791B812 INTERCHANGEABLE
Circuit Card Assembly
Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan
Cross-Reference Index
Part NumberManufacturer
B-812-OH Timken Aerospace, Inc Dba Torrington Product (USA)
B812 Level 10 Industries, Inc. Div Level 10 Industries (USA)
704AS9303-3 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
309-1135-030 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
899303-3 Raytheon Company Dba Raytheon (USA)
PL44616-121H FIND NO. 3 Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Curtiss-Wright / Nu-Torque (USA)
473116 Wabco Construction and Mining Equipment Group Indianapolis Plant an American Standard Inc Co (USA)
B-812 The Cincinnati Gilbert Machine Tool Co. Llc (USA)
MS17131-14 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
HR21543 Ecolaire Inc Baldwin-Hamilton Co Div (USA)
SE693 Woodward Controls Inc. (USA)
A60525 Washington Scientific Industries Inc (USA)
B812 Timken Aerospace, Inc Dba Torrington Product (USA)
67AX95 Mack Trucks Inc (USA)
Related Parts
3030-00-246-0184INTERCHANGEABLE
BELTS,V,MATCHED SET
5365-00-825-8229INTERCHANGEABLE
SPACER,SLEEVE
B8-12
3455-00-988-2895INTERCHANGEABLE
BLADE,BAND SAW,METAL CUTTING
B8-12R
6350-01-147-7299INTERCHANGEABLE
BUZZER
B812
3110-01-172-1951INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
92000024
5998-01-505-3791INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
B812

Frequently Asked Questions

What is NSN 3110-00-156-7724?

NSN 3110-00-156-7724 is a Bearing,roller,needle, manufactured by Timken Aerospace, Inc Dba Torrington Product, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-156-7724?

NSN 3110-00-156-7724 has 14 cross-referenced part numbers: B-812-OH (Timken Aerospace, Inc Dba Torrington Product), B812 (Level 10 Industries, Inc. Div Level 10 Industries), 704AS9303-3 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 309-1135-030 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), 899303-3 (Raytheon Company Dba Raytheon) and 9 more.

What NSN replaces 3110-00-156-7724?

There are 6 known substitutes for 3110-00-156-7724: 3030-00-246-0184, 5365-00-825-8229, 3455-00-988-2895 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B-812-OH?

Key specifications for B-812-OH: Alignment Type: RIGID; Material: STEEL COMP 8615 OR STEEL COMP 1010 OR STEEL COMP 1020 OUTER RING; Special Features: EXTRA CAPACITY OUTER RING AND OIL HOLE IN OUTER RING; Bore Diameter: 0.5005 INCHES MINIMUM AND 0.5015 INCHES MAXIMUM IN. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-156-7724 still in active supply?

NSN 3110-00-156-7724 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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