PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

591-598Cam Follower,needle Bearing

Hardie-Tynes Co., Inc. · NSN 3110-00-243-4878 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-243-4878 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-243-4878. Primary manufacturer part number: 591-598.
Features
  • Cam Follower,needle Bearing — FSC 3110
  • Thread Class: 2A A
  • Outer Ring Width: 0.4060 INCHES NOMINAL IN
  • Lubrication Material: GREASE
  • Bearing Seal Type: CONTACT
  • Stud Length: 0.6250 INCHES NOMINAL IN
  • Stud Diameter: 0.2500 INCHES NOMINAL IN
  • Thread Quantity Per Inch: 28
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Plastic Seal construction
General Description

The Cam Follower,needle Bearing, cataloged under National Stock Number 3110-00-243-4878, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Hardie-Tynes Co., Inc.. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 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
NSN3110-00-243-4878
Primary Part Number591-598
Item NameCam Follower,needle Bearing
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerHardie-Tynes Co., Inc.
StatusACTIVE
Thread Class2A A
Outer Ring Width0.4060 INCHES NOMINAL IN
Lubrication MaterialGREASE
Bearing Seal TypeCONTACT
Stud Length0.6250 INCHES NOMINAL IN
Stud Diameter0.2500 INCHES NOMINAL IN
Thread Quantity Per Inch28
Seal Quantity2
Nominal Thread Size0.250 INCHES IN
Overall Outside Diameter0.6250 INCHES NOMINAL IN
Thread Length0.3125 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Thread Series DesignatorUNF
Style DesignatorCAM FOLLOWER
MaterialPLASTIC SEAL
MaterialSTEEL ROLLER
MaterialSTEEL STUD
Lubrication Material Document and ClassificationMIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5920-00-243-3793345-001-9029 INTERCHANGEABLE
Fuse,cartridge
Honeywell International Inc. Div Aerospace - Torrance
3020-00-454-7984 INTERCHANGEABLE
Gear,helical
9540-00-580-6228 INTERCHANGEABLE
Beam,structural
2825-00-950-1888591-578AP INTERCHANGEABLE
Sleeve,blower
Acme Products & Engineering Inc
4820-00-950-1889591-600 INTERCHANGEABLE
Stem,fluid Valve
Steward Machine Co Inc
5365-00-950-1890591-601 INTERCHANGEABLE
Bushing,blower
Steward Machine Co Inc
5365-00-950-1891 INTERCHANGEABLE
Bushing,blower
4820-00-950-1894591-603 INTERCHANGEABLE
Stem,fluid Valve
Steward Machine Co Inc
5365-00-950-189511473 INTERCHANGEABLE
Bushing,plug,blower
Rps-Fl, Inc. Dba Rps Inc
4820-00-950-1898591-611 INTERCHANGEABLE
Stem,plug,blower
Steward Machine Co Inc
Cross-Reference Index
Part NumberManufacturer
591-598 Hardie-Tynes Co., Inc. (USA)
402-1318-00 Marathon Le Tourneau Co (USA)
CRS10 Timken Aerospace, Inc Dba Torrington Product (USA)
60-591 Hardie-Tynes Co., Inc. (USA)
CRS10 Timken Co Div the Timken Company (USA)
60-591 PIECE 598 Hardie-Tynes Co., Inc. (USA)
Related Parts
5920-00-243-3793INTERCHANGEABLE
FUSE,CARTRIDGE
345-001-9029
3020-00-454-7984INTERCHANGEABLE
GEAR,HELICAL
9540-00-580-6228INTERCHANGEABLE
BEAM,STRUCTURAL
2825-00-950-1888INTERCHANGEABLE
SLEEVE,BLOWER
591-578AP
4820-00-950-1889INTERCHANGEABLE
STEM,FLUID VALVE
591-600
5365-00-950-1890INTERCHANGEABLE
BUSHING,BLOWER
591-601
5365-00-950-1891INTERCHANGEABLE
BUSHING,BLOWER
4820-00-950-1894INTERCHANGEABLE
STEM,FLUID VALVE
591-603
5365-00-950-1895INTERCHANGEABLE
BUSHING,PLUG,BLOWER
11473
4820-00-950-1898INTERCHANGEABLE
STEM,PLUG,BLOWER
591-611
3110-01-124-9285INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
12307475
5365-01-203-9855INTERCHANGEABLE
SPACER

Frequently Asked Questions

What is NSN 3110-00-243-4878?

NSN 3110-00-243-4878 is a Cam Follower,needle Bearing, manufactured by Hardie-Tynes Co., Inc., classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-243-4878?

NSN 3110-00-243-4878 has 6 cross-referenced part numbers: 591-598 (Hardie-Tynes Co., Inc.), 402-1318-00 (Marathon Le Tourneau Co), CRS10 (Timken Aerospace, Inc Dba Torrington Product), 60-591 (Hardie-Tynes Co., Inc.), CRS10 (Timken Co Div the Timken Company) and 1 more.

What NSN replaces 3110-00-243-4878?

There are 12 known substitutes for 3110-00-243-4878: 5920-00-243-3793, 3020-00-454-7984, 9540-00-580-6228 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 591-598?

Key specifications for 591-598: Thread Class: 2A A; Outer Ring Width: 0.4060 INCHES NOMINAL IN; Lubrication Material: GREASE; Bearing Seal Type: CONTACT. 20 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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