BT558 Tapered Roller Cone and Rollers
Comprehensive specifications and application details for: BT558 Tapered Roller Cone and Rollers.
Summary
Explore detailed summary information for bearing: BT558. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.
- Part Number
- BT558
- Federal Supply Classification
- 3110 Unmounted Antifriction Bearings
- (NSN) National Stock Number
- 3110-00-100-0281
- Item Name Code
- 00023
- Federal Item Identification Guide
- A044A0
- Assigment Date
- 01/01/1961
An assembled inner component of a tapered roller bearing, consisting of a cone (which provides a contact surface for the rolling elements of the bearing), a complement of tapered rollers (the rolling elements), and frequently a retainer (which spaces the rolling elements).
afbma class 2 standard tolerance designation, 2.3750 inches nominal bore diameter, steel overall material, 0.0938 inches nominal cone corner radius, 1.4440 inches nominal cone width
Datasheet
Below are the comprehensive technical specifications for bearing: 3110-00-100-0281 . Find dimensions, materials, tolerances, performance characteristics, etc.
- Bore Diameter
- 2.3750 inches nominal
- Cone Corner Radius
- 0.0938 inches nominal
- Cone Width
- 1.4440 inches nominal
- Material
- steel overall
- Standard Tolerance Designation
- afbma class 2
- Style Designator
- normal angle
Frequently Asked Questions
Find quick answers to common questions about bearing: BT558. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.
- What is the FSCG of the NSN 3110-00-100-0281?
- The FSCG of the NSN 3110-00-100-0281 is 3110
- Does the NSN 3110-00-100-0281 have a Schedule B code assigned?
- Yes, the Schedule B code is 8482800080
- Does NSN 3110-00-100-0281 require demilitarization?
- Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
- Does NSN 3110-00-100-0281 contain precious materials?
- Item does not contain precious metal.
- Does NSN 3110-00-100-0281 contain hazardous materials?
- Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
- When the NSN 3110-00-100-0281 was assigned to the Federal Catalog?
- It was assigned 65 years ago, on Sun, Jan 1, 1961
Price & Availability
Fill out the form to get pricing and availability details for the bearing: BT558
Stock Availability
This product is available in the following quantities and conditions:
| As Removed | 2 |
| Overhauled | 1 |
| New Surplus | 91 |
| New Material | 379 |
| Serviceable | 1 |
| Total | 474 |
Availability of this item was last updated on:
01/13/2026 07:01 PM EST.
Availability may have changed since then. Request a quote for up to date pricing and availability.