PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

22SZ50Bearing,ball,annular

Mack Trucks Inc Parts Opn · NSN 3110-00-156-3398 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-156-3398 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-156-3398. Primary manufacturer part number: 22SZ50.
Features
  • Bearing,ball,annular — FSC 3110
  • Shield Quantity: 1
  • Standard Tolerance Designation: ABEC NO.1
  • Lubrication Material: GREASE
  • Shield Quantity: 1
  • Lubrication Material: GREASE
  • Bore Shape: STRAIGHT
  • Inner Ring Width: 0.3860 INCHES NOMINAL IN
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 3110-00-156-3398, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Mack Trucks Inc Parts Opn. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 20 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: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-156-3398
Primary Part Number22SZ50
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerMack Trucks Inc Parts Opn
StatusCANCELLED
Shield Quantity1
Standard Tolerance DesignationABEC NO.1
Lubrication MaterialGREASE
Shield Quantity1
Lubrication MaterialGREASE
Bore ShapeSTRAIGHT
Inner Ring Width0.3860 INCHES NOMINAL IN
Load DirectionRADIAL
Bearing Seal TypeCONTACT
Surface FinishGROUND
Seal Quantity1
Retainer Fabrication MethodPRESSED
Outer Ring Width0.3150 INCHES NOMINAL IN
Internal Fit-Up DesignationSTANDARD
Lubrication Material Document and ClassificationDOD-G-24508 MIL SPEC SINGLE MATERIAL RESPONSE
Standard Tolerance DesignationABEC NO.1
MaterialSTEEL BALL
Nondefinitive Spec/std Data117GR00 TYPE
MaterialSTEEL INNER RING
MaterialSTEEL INNER RING
MaterialSTEEL SHIELD
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
MaterialSTEEL RETAINER
Departure From Cited DesignatorAS MODIFIED BY SEAL QUANTITY
Load DirectionRADIAL
Seal Quantity1
Bore Diameter8.00 MILLIMETERS NOMINAL MM
Departure From Cited DesignatorAS MODIFIED BY SEAL QUANTITY
Overall Outside Diameter24.00 MILLIMETERS NOMINAL MM
Lubrication Material Document and ClassificationDOD-G-24508 MIL SPEC SINGLE MATERIAL RESPONSE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3110-00-100-0296363 INTERCHANGEABLE
Cup,tapered Roller Bearing
Rbc Bearings Incorporated Div West Trenton Division
3110-00-100-0298258778 INTERCHANGEABLE
Cup,tapered Roller Bearing
Acf Industries Inc
3110-00-100-0495120800 INTERCHANGEABLE
Cup,tapered Roller Bearing
General Motors Llc Dba General Motors Llc
3110-00-100-0664644 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
3110-00-100-0706 INTERCHANGEABLE
Cone and Rollers,tapered Roller
3110-00-100-07262507 INTERCHANGEABLE
Cone and Rollers,tapered Roller
L & L Boiler Maintenance Inc
3110-00-100-24226204YC78 INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
3110-00-100-4226 INTERCHANGEABLE
Bearing,roller,tapered
3110-00-100-550274500-74850 INTERCHANGEABLE
Bearing,roller,tapered
The Timken Corporation
3110-00-100-583178250-78551 INTERCHANGEABLE
Bearing,roller,tapered
The Timken Corporation
Cross-Reference Index
Part NumberManufacturer
38FSF1 Skf Usa Inc. (USA)
38VLD Timken Co Div the Timken Company (USA)
22SZ50 PRIMARY Mack Trucks Inc Parts Opn (USA)
BB3-103 Carter Motor Co (USA)
87008 General Motors Corp (USA)
87008 General Motors Corp Delco Moraine Ndh Div (USA)
FF-B-171 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
FS87008 Schatz Bearing Corporation Dba Schatz Bearing Corp (USA)
DOD-G-24508A Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
313028R91 PRIMARY Navistar Intl Corp Truck Br Ohio Plant (USA)
38KVLD PRIMARY Timken Co Div the Timken Company (USA)
8BCD076JHP PRIMARY Anti-Friction Bearing Mfg Assn Inc the (USA)
87008 PRIMARY Fag Bearings Corporation (USA)
FF-B-187B Federal Specifications Promulgated by General Services Administration Washington DC (USA)
C87008 General Motors Corp Delco Moraine Ndh Div (USA)
BB2-103 Carter Motor Co (USA)
165766 New Holland Construction (USA)
87008CE1SA2 PRIMARY Nsk Corp Bearing Div (USA)
313028R91 Navistar International Corporation Dba Navistar (USA)
4040472-5 New Holland Construction (USA)
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3110-00-100-0296INTERCHANGEABLE
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363
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CUP,TAPERED ROLLER BEARING
258778
3110-00-100-0495INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
120800
3110-00-100-0664INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
644
3110-00-100-0706INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
3110-00-100-0726INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
2507
3110-00-100-2422INTERCHANGEABLE
BEARING,BALL,ANNULAR
6204YC78
3110-00-100-4226INTERCHANGEABLE
BEARING,ROLLER,TAPERED
3110-00-100-5502INTERCHANGEABLE
BEARING,ROLLER,TAPERED
74500-74850
3110-00-100-5831INTERCHANGEABLE
BEARING,ROLLER,TAPERED
78250-78551
3110-00-101-6493INTERCHANGEABLE
BEARING,ROLLER,TAPERED
3110-00-142-4347INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
355X

Frequently Asked Questions

What is NSN 3110-00-156-3398?

NSN 3110-00-156-3398 is a Bearing,ball,annular, manufactured by Mack Trucks Inc Parts Opn, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-156-3398?

NSN 3110-00-156-3398 has 20 cross-referenced part numbers: 38FSF1 (Skf Usa Inc.), 38VLD (Timken Co Div the Timken Company), 22SZ50 (Mack Trucks Inc Parts Opn), BB3-103 (Carter Motor Co), 87008 (General Motors Corp) and 15 more.

What NSN replaces 3110-00-156-3398?

There are 12 known substitutes for 3110-00-156-3398: 3110-00-100-0296, 3110-00-100-0298, 3110-00-100-0495 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 22SZ50?

Key specifications for 22SZ50: Shield Quantity: 1; Standard Tolerance Designation: ABEC NO.1; Lubrication Material: GREASE; Shield Quantity: 1. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-156-3398 still in active supply?

NSN 3110-00-156-3398 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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