PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

211WDDBearing,ball,annular

Timken Co Div the Timken Company · NSN 3110-00-155-6757 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-155-6757 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-155-6757. Primary manufacturer part number: 211WDD.
Features
  • Bearing,ball,annular — FSC 3110
  • Bore Diameter: 55.00 MILLIMETERS NOMINAL MM
  • Material: STEEL BALL
  • Lubrication Material Document and Classification: DOD-G-24508 MIL SPEC SINGLE MATERIAL RESPONSE
  • Surface Finish: GROUND
  • Load Direction: RADIAL
  • Standard Tolerance Designation: ABEC NO.1
  • Bore Shape: STRAIGHT
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Ball construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-155-6757, 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 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 19 commercial cross-references from 15 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-155-6757
Primary Part Number211WDD
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerTimken Co Div the Timken Company
StatusACTIVE
Bore Diameter55.00 MILLIMETERS NOMINAL MM
MaterialSTEEL BALL
Lubrication Material Document and ClassificationDOD-G-24508 MIL SPEC SINGLE MATERIAL RESPONSE
Surface FinishGROUND
Load DirectionRADIAL
Standard Tolerance DesignationABEC NO.1
Bore ShapeSTRAIGHT
Lubrication MaterialGREASE
Shield Quantity2
Internal Fit-Up DesignationSTANDARD
MaterialSTEEL OUTER RING
Style DesignatorLOADING GROOVE, NON-SEPARABLE
MaterialSTEEL INNER RING
MaterialSTEEL SHIELD
Overall Outside Diameter100.00 MILLIMETERS NOMINAL MM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6210-00-683-10519137040 INTERCHANGEABLE
Light,indicator
Us Army Aviation and Missile Command
5955-01-052-5424 INTERCHANGEABLE
Oscillator,crystal Controlled
5930-01-080-50652GL51-73 INTERCHANGEABLE
Switch,toggle
Carling Technologies, Inc Dba Carlingswitch
4720-01-166-67644176785 INTERCHANGEABLE
Hose Assembly,nonmetallic
Chrysler Corp Service and Parts Opns
8120-01-182-9180P202535 INTERCHANGEABLE
Valve,cylinder,gas
Mmc Systems Inc
4720-01-339-2815107351 INTERCHANGEABLE
Hose Assembly,metallic
Hyspan Precision Products, Inc.
5331-01-344-8024 INTERCHANGEABLE
O-Ring
4520-01-469-555277211 INTERCHANGEABLE
Heating Element,electrical,nonim
Indeeco Llc Dba Indeeco
5340-01-507-99467006-40 INTERCHANGEABLE
Cap,protective,dust and Moisture
Hamilton Sundstrand Corporation
6620-01-557-6454R0071168 INTERCHANGEABLE
Transmitter,pressure
Denel Vehicle Systems
Cross-Reference Index
Part NumberManufacturer
77211 Manitowoc Engineering Co Division of the Manitowoc Co Inc (USA)
700640 Army Weapons Command Attn Amswe-Ree-S (USA)
211MFF Skf Usa Inc. (USA)
K66P Bay City Shovels, Inc (USA)
1211MFF Schatz Bearing Corporation Dba Schatz Bearing Corp (USA)
77211 General Motors Corp Delco Moraine Ndh Div (USA)
8B7175 Caterpillar Inc Div Caterpillar Defense (USA)
504K319 Yale Security Inc. Dba Norton Door Control (USA)
211WDDFS381A Timken Co Div the Timken Company (USA)
M794 Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA)
6211ZZMAX Naval Ship Systems Command (USA)
504K319 Hyster-Yale Group, Inc. Dba Yale Materials Handling (USA)
77211X1B9 General Motors Corp Delco Moraine Ndh Div (USA)
107351 Lodge and Shipley/manuflux (USA)
B179V Bay City Shovels, Inc (USA)
211WDD PRIMARY Timken Co Div the Timken Company (USA)
954109 General Motors Corp (USA)
MT211PP Fag Bearings Corporation (USA)
77211 General Motors Corp (USA)
Related Parts
6210-00-683-1051INTERCHANGEABLE
LIGHT,INDICATOR
9137040
5955-01-052-5424INTERCHANGEABLE
OSCILLATOR,CRYSTAL CONTROLLED
5930-01-080-5065INTERCHANGEABLE
SWITCH,TOGGLE
2GL51-73
4720-01-166-6764INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
4176785
8120-01-182-9180INTERCHANGEABLE
VALVE,CYLINDER,GAS
P202535
4720-01-339-2815INTERCHANGEABLE
HOSE ASSEMBLY,METALLIC
107351
5331-01-344-8024INTERCHANGEABLE
O-RING
4520-01-469-5552INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
77211
5340-01-507-9946INTERCHANGEABLE
CAP,PROTECTIVE,DUST AND MOISTURE
7006-40
6620-01-557-6454INTERCHANGEABLE
TRANSMITTER,PRESSURE
R0071168
8105-01-600-7917INTERCHANGEABLE
BAG,TEXTILE
6230-01-729-1090INTERCHANGEABLE
REFLECTOR,LIGHT
10735-1

Frequently Asked Questions

What is NSN 3110-00-155-6757?

NSN 3110-00-155-6757 is a Bearing,ball,annular, 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 3110-00-155-6757?

NSN 3110-00-155-6757 has 19 cross-referenced part numbers: 77211 (Manitowoc Engineering Co Division of the Manitowoc Co Inc), 700640 (Army Weapons Command Attn Amswe-Ree-S), 211MFF (Skf Usa Inc.), K66P (Bay City Shovels, Inc), 1211MFF (Schatz Bearing Corporation Dba Schatz Bearing Corp) and 14 more.

What NSN replaces 3110-00-155-6757?

There are 12 known substitutes for 3110-00-155-6757: 6210-00-683-1051, 5955-01-052-5424, 5930-01-080-5065 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 211WDD?

Key specifications for 211WDD: Bore Diameter: 55.00 MILLIMETERS NOMINAL MM; Material: STEEL BALL; Lubrication Material Document and Classification: DOD-G-24508 MIL SPEC SINGLE MATERIAL RESPONSE; Surface Finish: GROUND. 16 total characteristics are documented in the Federal Logistics Information System.

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