PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

GB525A5Bearing,roller,rod End

Rexnord Industries, Llc Div Aerosspace Bearing Operation · NSN 3110-00-198-0252 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-198-0252 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-198-0252. Primary manufacturer part number: GB525A5.
Features
  • Bearing,roller,rod End — FSC 3110
  • Shank Diameter: 0.5000 INCHES NOMINAL IN
  • Length From Bore Center to Shank End: 2.3950 INCHES MINIMUM AND 2.4250 INCHES MAXIMUM IN
  • Alignment Type: SELF-ALIGNING
  • Shield Quantity: 2
  • Bearing Seal Type: CONTACT
  • Thread Quantity Per Inch: 20
  • Lubrication Material: GREASE
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Comp 430 Shield construction
General Description

The Bearing,roller,rod End, cataloged under National Stock Number 3110-00-198-0252, 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 29 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-198-0252
Primary Part NumberGB525A5
Item NameBearing,roller,rod End
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerRexnord Industries, Llc Div Aerosspace Bearing Operation
StatusCANCELLED
Shank Diameter0.5000 INCHES NOMINAL IN
Length From Bore Center to Shank End2.3950 INCHES MINIMUM AND 2.4250 INCHES MAXIMUM IN
Alignment TypeSELF-ALIGNING
Shield Quantity2
Bearing Seal TypeCONTACT
Thread Quantity Per Inch20
Lubrication MaterialGREASE
Self-Alignment Angle10.00 DEGREES NOMINAL
Nominal Thread Size0.500 INCHES IN
Seal Quantity2
Shank Thread Length1.3400 INCHES NOMINAL IN
Inner Ring Width0.6820 INCHES MINIMUM AND 0.6870 INCHES MAXIMUM IN
Self-Alignment LocationINTERNAL
Outer Ring Width0.4450 INCHES MINIMUM AND 0.4600 INCHES MAXIMUM IN
MaterialSTEEL COMP 430 SHIELD
Shank StyleEXTERNALLY THREADED
Thread Class3A A
Overall Outside Diameter1.3600 INCHES MINIMUM AND 1.4100 INCHES MAXIMUM IN
MaterialSTEEL COMP E52100 ROLLER
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAL
MaterialSTEEL COMP 4620 ROD END BODY
Style DesignatorSINGLE ROW, CONCAVE ROLLERS
Material Document and ClassificationMIL-S-7420 MIL SPEC SINGLE MATERIAL RESPONSE ROLLER
MaterialSTEEL SNAP RING
Material Document and ClassificationMIL-S-7420 MIL SPEC SINGLE MATERIAL RESPONSE INNER RING
Surface TreatmentCADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES
Thread DirectionRIGHT-HAND
Material Document and ClassificationMIL-S-7493 MIL SPEC SINGLE MATERIAL RESPONSE ROD END BODY
Material Document and ClassificationQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE SHIELD
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
9330-01-124-3310 INTERCHANGEABLE
Plastic Sheet
5905-01-248-825020-3471 INTERCHANGEABLE
Resistor,fixed,film
Astronics Test Systems Inc
5120-01-366-8225 INTERCHANGEABLE
Handle,socket Wrench
Cross-Reference Index
Part NumberManufacturer
MR5 Rexnord Industries, Llc Div Aerosspace Bearing Operation (USA)
MR5ANG25 Rexnord Industries, Llc Div Aerosspace Bearing Operation (USA)
SM5-8C Rexnord Industries, Llc Div Aerosspace Bearing Operation (USA)
GB525A5 Northrop Grumman Systems Corporation (USA)
GB525A5 PRIMARY Rexnord Industries, Llc Div Aerosspace Bearing Operation (USA)
Related Parts
9330-01-124-3310INTERCHANGEABLE
PLASTIC SHEET
5905-01-248-8250INTERCHANGEABLE
RESISTOR,FIXED,FILM
20-3471
5120-01-366-8225INTERCHANGEABLE
HANDLE,SOCKET WRENCH

Frequently Asked Questions

What is NSN 3110-00-198-0252?

NSN 3110-00-198-0252 is a Bearing,roller,rod End, 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 3110-00-198-0252?

NSN 3110-00-198-0252 has 5 cross-referenced part numbers: MR5 (Rexnord Industries, Llc Div Aerosspace Bearing Operation), MR5ANG25 (Rexnord Industries, Llc Div Aerosspace Bearing Operation), SM5-8C (Rexnord Industries, Llc Div Aerosspace Bearing Operation), GB525A5 (Northrop Grumman Systems Corporation), GB525A5 (Rexnord Industries, Llc Div Aerosspace Bearing Operation).

What NSN replaces 3110-00-198-0252?

There are 3 known substitutes for 3110-00-198-0252: 9330-01-124-3310, 5905-01-248-8250, 5120-01-366-8225. Verify interchangeability with system specifications before substitution.

What are the specifications of GB525A5?

Key specifications for GB525A5: Shank Diameter: 0.5000 INCHES NOMINAL IN; Length From Bore Center to Shank End: 2.3950 INCHES MINIMUM AND 2.4250 INCHES MAXIMUM IN; Special Features: GREASE FITTING LOCATED ON LOWER HALF 45 DEG FROM HORIZONTAL CENTER LINE; Alignment Type: SELF-ALIGNING. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-198-0252 still in active supply?

NSN 3110-00-198-0252 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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