H7-257

Comprehensive specifications and application details for: H7-257 Annular Ball Bearing.

Summary

Explore detailed summary information for bearing: H7-257. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
H7-257
Federal Supply Classification
3110 Unmounted Antifriction Bearings
(NSN) National Stock Number
3110-00-071-6550
Item Name Code
00014
Federal Item Identification Guide
A044A0
Assigment Date
07/18/1967

A cylindrical device in which the inner or outer ring turns upon a single or double row of hardened balls which roll easily between the two rings, thus minimizing friction. For items with faces specially ground for duplex mounting see bearing,ball,duplex. Excludes:bearing,ball,airframe.

loose internal fit-up designation, contact bearing seal type, 25.00 millimeters nominal bore diameter, radial load direction, straight bore shape

Datasheet

Below are the comprehensive technical specifications for bearing: 3110-00-071-6550 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bearing Seal Type
contact
Bore Diameter
25.00 millimeters nominal
Bore Shape
straight
Internal Fit-Up Designation
loose
Load Direction
radial
Lubrication Material Document And Classification
mil-g-81322 mil spec single material response
Lubrication Material
grease
Overall Outside Diameter
62.00 millimeters nominal
Overall Width
17.0 millimeters nominal
Material
rubber synthetic seal
Material
steel ball
Material
steel inner ring
Material
steel outer ring
Material
steel retainer
Retainer Fabrication Method
pressed
Seal Quantity
2
Standard Tolerance Designation
abec no.1
Style Designator
non-loading groove, non-separable
Surface Finish
ground

Frequently Asked Questions

Find quick answers to common questions about bearing: H7-257. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3110-00-071-6550?
The FSCG of the NSN 3110-00-071-6550 is 3110
Does the NSN 3110-00-071-6550 have a Schedule B code assigned?
Yes, the Schedule B code is 8482105028
Does NSN 3110-00-071-6550 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 3110-00-071-6550 contain precious materials?
Precious metal content is unknown
Does NSN 3110-00-071-6550 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 3110-00-071-6550 was assigned to the Federal Catalog?
It was assigned 57 years ago, on Tue, Jul 18, 1967

Price & Availability

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