The Bearing,roller,tapered, cataloged under National Stock Number 3110-00-100-5503, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is The Timken Corporation. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-100-5503 |
| Primary Part Number | 74537-74850 |
| Item Name | Bearing,roller,tapered |
| FSC / FSG | 3110 / 31 — No Item Name Available |
| Manufacturer | The Timken Corporation |
| Status | ACTIVE |
| Bore Diameter | 5.3750 INCHES NOMINAL IN |
| Overall Outside Diameter | 8.5000 INCHES NOMINAL IN |
| Cup Width | 1.3750 INCHES NOMINAL IN |
| Standout Width | 0.5000 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Cone Corner Radius | 0.1400 INCHES NOMINAL IN |
| Cone Width | 1.8750 INCHES NOMINAL IN |
| Backface Corner Radius | 0.1250 INCHES NOMINAL IN |
| Style Designator | STRAIGHT BORE, NORMAL ANGLE |
| Standard Tolerance Designation | AFBMA CLASS 2 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 74537-74850 | Ntn Bearing Corporation of America (USA) |
| 32255E21 | American Hoist and Derrick Co |
| 601349 | Elwell-Parker Electric Co (USA) |
| 32255E21 | Terex American Crane Corp (USA) |
| 74537-74850 PRIMARY | The Timken Corporation (USA) |
NSN 3110-00-100-5503 is a Bearing,roller,tapered, manufactured by The Timken Corporation, classified under FSC 3110 (No Item Name Available). Status: active.
NSN 3110-00-100-5503 has 5 cross-referenced part numbers: 74537-74850 (Ntn Bearing Corporation of America), 32255E21 (American Hoist and Derrick Co), 601349 (Elwell-Parker Electric Co), 32255E21 (Terex American Crane Corp), 74537-74850 (The Timken Corporation).
There are 3 known substitutes for 3110-00-100-5503: 6685-00-432-8107, 5365-01-344-8009, 6750-01-427-5707. Verify interchangeability with system specifications before substitution.
Key specifications for 74537-74850: Bore Diameter: 5.3750 INCHES NOMINAL IN; Overall Width: 1.8750 INCHES NOMINAL IN; Overall Outside Diameter: 8.5000 INCHES NOMINAL IN; Cup Width: 1.3750 INCHES NOMINAL IN. 11 total characteristics are documented in the Federal Logistics Information System.