PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

BACB10A630Bearing,ball,airframe

Timken Co Div the Timken Company · NSN 3110-01-216-8271 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-01-216-8271 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-216-8271. Primary manufacturer part number: BACB10A630.
Features
  • Bearing,ball,airframe — FSC 3110
  • Material: STEEL COMP 440C INNER RING
  • Specification/standard Data: 81205-BACB10A MANUFACTURERS STANDARD
  • Material: STEEL COMP 440C BALL
  • Material: STEEL COMP 440C OUTER RING
  • Material: GLASS FIBER OR PLASTIC POLYTETRAFLUOROETHYLENE SEAL
  • Load Direction: RADIAL
  • Inner Ring Width: 0.4950 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Comp 440c Inner Ring construction
General Description

The Bearing,ball,airframe, cataloged under National Stock Number 3110-01-216-8271, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Timken Co Div the Timken Company. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-01-216-8271
Primary Part NumberBACB10A630
Item NameBearing,ball,airframe
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerTimken Co Div the Timken Company
StatusACTIVE
MaterialSTEEL COMP 440C INNER RING
Specification/standard Data81205-BACB10A MANUFACTURERS STANDARD
MaterialSTEEL COMP 440C BALL
MaterialSTEEL COMP 440C OUTER RING
MaterialGLASS FIBER OR PLASTIC POLYTETRAFLUOROETHYLENE SEAL
Load DirectionRADIAL
Inner Ring Width0.4950 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
Self-Alignment LocationINTERNAL
Outer Ring Width0.3870 INCHES MINIMUM AND 0.3920 INCHES MAXIMUM IN
Internal Clearance0.0002 INCHES MINIMUM RADIAL AND 0.0010 INCHES MAXIMUM RADIAL IN
Lubrication MaterialGREASE
Seal Quantity2
Bearing Seal TypeCONTACT
Alignment TypeSELF-ALIGNING
Overall Outside Diameter0.7769 INCHES MINIMUM AND 0.7774 INCHES MAXIMUM IN
Lubrication Material Document and ClassificationMIL-G-25013 MIL SPEC SINGLE MATERIAL RESPONSE
Bore Diameter0.1895 INCHES MINIMUM AND 0.1900 INCHES MAXIMUM IN
Style DesignatorDOUBLE ROW, SELF ALIGNING
Material Document and ClassificationQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OUTER RING
Material Document and ClassificationQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE INNER RING
Material Document and ClassificationQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE BALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5950-00-084-887560A24D18 INTERCHANGEABLE
Transformer,power
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5920-00-221-50253929 INTERCHANGEABLE
Fuseholder,block
Bryant Electric
5940-00-831-0163KT61 INTERCHANGEABLE
Terminal,quick Disconnect
Regal Beloit America, Inc
5940-00-861-2566321235 INTERCHANGEABLE
Terminal,quick Disconnect
Te Connectivity Corporation
5950-01-163-92633929 INTERCHANGEABLE
Transformer,power
Data Device Corp Dba Beta Transformer Technology
6520-01-304-31197000053325 INTERCHANGEABLE
Crown,dental,temporary
Solventum Us Llc
5360-01-377-06403929 INTERCHANGEABLE
Spring,helical,compression
Corken International Corp Sub of Hinderliter Industries Inc
Cross-Reference Index
Part NumberManufacturer
BACB10A630 PRIMARY Timken Co Div the Timken Company (USA)
BACB10A630 PRIMARY Mpb Corp Div Timken Super Precision (USA)
BACB10A630 The Boeing Company Div Defense (USA)
ADSP3 E7012A Timken Co Div the Timken Company (USA)
BACB10A630 PRIMARY New Hampshire Ball Bearings Inc Div Hitech Division (USA)
3929 Industrial Tectonics Bearings Corporation Dba Rbc Bearings Inc Div Industrial Tectonics Bearings (USA)
DSP-3-ST Skf Usa Inc. (USA)
ADSP3 E7012A PRIMARY Rbc Aircraft Products, Inc. (USA)
Related Parts
5950-00-084-8875INTERCHANGEABLE
TRANSFORMER,POWER
60A24D18
5920-00-221-5025INTERCHANGEABLE
FUSEHOLDER,BLOCK
3929
5940-00-831-0163INTERCHANGEABLE
TERMINAL,QUICK DISCONNECT
KT61
5940-00-861-2566INTERCHANGEABLE
TERMINAL,QUICK DISCONNECT
321235
5950-01-163-9263INTERCHANGEABLE
TRANSFORMER,POWER
3929
6520-01-304-3119INTERCHANGEABLE
CROWN,DENTAL,TEMPORARY
7000053325
5360-01-377-0640INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
3929

Frequently Asked Questions

What is NSN 3110-01-216-8271?

NSN 3110-01-216-8271 is a Bearing,ball,airframe, manufactured by Timken Co Div the Timken Company, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-01-216-8271?

NSN 3110-01-216-8271 has 8 cross-referenced part numbers: BACB10A630 (Timken Co Div the Timken Company), BACB10A630 (Mpb Corp Div Timken Super Precision), BACB10A630 (The Boeing Company Div Defense), ADSP3 E7012A (Timken Co Div the Timken Company), BACB10A630 (New Hampshire Ball Bearings Inc Div Hitech Division) and 3 more.

What NSN replaces 3110-01-216-8271?

There are 7 known substitutes for 3110-01-216-8271: 5950-00-084-8875, 5920-00-221-5025, 5940-00-831-0163 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of BACB10A630?

Key specifications for BACB10A630: Material: STEEL COMP 440C INNER RING; Specification/standard Data: 81205-BACB10A MANUFACTURERS STANDARD; Material: STEEL COMP 440C BALL; Material: STEEL COMP 440C OUTER RING. 21 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com