PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

DAS4-20BQBearing,roller,airframe

Rexnord Industries, Llc Div Aerosspace Bearing Operation · NSN 3110-00-143-3016 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-143-3016 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-143-3016. Primary manufacturer part number: DAS4-20BQ.
Features
  • Bearing,roller,airframe — FSC 3110
  • Lubrication Material Document and Classification: MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
  • Inner Ring Width: 1.1250 INCHES NOMINAL IN
  • Outer Ring Width: 0.7500 INCHES NOMINAL IN
  • Bearing Seal Type: CONTACT
  • Style Designator: CONCAVE ROLLERS, DOUBLE CLOSURE, SELF ALIGNING
  • Surface Treatment: CADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES
  • Seal Quantity: 2
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Bearing,roller,airframe, cataloged under National Stock Number 3110-00-143-3016, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Rexnord Industries, Llc Div Aerosspace Bearing Operation. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 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
NSN3110-00-143-3016
Primary Part NumberDAS4-20BQ
Item NameBearing,roller,airframe
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerRexnord Industries, Llc Div Aerosspace Bearing Operation
StatusCANCELLED
Lubrication Material Document and ClassificationMIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
Inner Ring Width1.1250 INCHES NOMINAL IN
Outer Ring Width0.7500 INCHES NOMINAL IN
Bearing Seal TypeCONTACT
Style DesignatorCONCAVE ROLLERS, DOUBLE CLOSURE, SELF ALIGNING
Surface TreatmentCADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES
Seal Quantity2
Shield Quantity2
Lubrication MaterialGREASE
Bore Diameter0.2500 INCHES NOMINAL IN
Overall Outside Diameter1.2500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
3433-00-275-12330311-0057 INTERCHANGEABLE
Tip,welding Torch
Victor Equipment Co
3433-00-275-12340311-0346 INTERCHANGEABLE
Tip,welding Torch
Victor Equipment Co
6670-00-988-9301AB4 INTERCHANGEABLE
Balance,analytical
Vertex Industries Inc Torbal Div
7920-01-035-556744089 INTERCHANGEABLE
Brush,acid Swabbing
Weiler Corporation
5120-01-437-1715 INTERCHANGEABLE
Wrench,adjustable
5210-01-655-1264AB-4 INTERCHANGEABLE
Gage Block
Suburban Tool, Inc. Dba Taft-Peirce Metrology Co.
Cross-Reference Index
Part NumberManufacturer
AB4A Rexnord Industries, Llc Div Aerosspace Bearing Operation (USA)
AB4 Rexnord Industries, Llc Div Aerosspace Bearing Operation (USA)
DAS4-20B De Havilland Aircraft of Canada Limited (CAN)
DAS4-20B De Havilland Aircraft of Canada Limited (CAN)
DAS4-20BQ PRIMARY Rexnord Industries, Llc Div Aerosspace Bearing Operation (USA)
Related Parts
3433-00-275-1233INTERCHANGEABLE
TIP,WELDING TORCH
0311-0057
3433-00-275-1234INTERCHANGEABLE
TIP,WELDING TORCH
0311-0346
6670-00-988-9301INTERCHANGEABLE
BALANCE,ANALYTICAL
AB4
7920-01-035-5567INTERCHANGEABLE
BRUSH,ACID SWABBING
44089
5120-01-437-1715INTERCHANGEABLE
WRENCH,ADJUSTABLE
5210-01-655-1264INTERCHANGEABLE
GAGE BLOCK
AB-4

Frequently Asked Questions

What is NSN 3110-00-143-3016?

NSN 3110-00-143-3016 is a Bearing,roller,airframe, manufactured by Rexnord Industries, Llc Div Aerosspace Bearing Operation, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-143-3016?

NSN 3110-00-143-3016 has 5 cross-referenced part numbers: AB4A (Rexnord Industries, Llc Div Aerosspace Bearing Operation), AB4 (Rexnord Industries, Llc Div Aerosspace Bearing Operation), DAS4-20B (De Havilland Aircraft of Canada Limited), DAS4-20B (De Havilland Aircraft of Canada Limited), DAS4-20BQ (Rexnord Industries, Llc Div Aerosspace Bearing Operation).

What NSN replaces 3110-00-143-3016?

There are 6 known substitutes for 3110-00-143-3016: 3433-00-275-1233, 3433-00-275-1234, 6670-00-988-9301 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of DAS4-20BQ?

Key specifications for DAS4-20BQ: Lubrication Material Document and Classification: MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE; Inner Ring Width: 1.1250 INCHES NOMINAL IN; Outer Ring Width: 0.7500 INCHES NOMINAL IN; Bearing Seal Type: CONTACT. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-143-3016 still in active supply?

NSN 3110-00-143-3016 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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