Model: SB2517-1

Inner Bearing Ring

Properties:

Overall Width
Between 3.4980 inches and 3.4985 inches
Bore Diameter
Between 1.7490 inches and 1.7500 inches
Overall Outside Diameter
Between 2.1245 inches and 2.1250 inches
Surface Finish
Ground
Bore Shape
Straight
Features Provided
Lubrication hole and lubrication groove
Criticality Code Justification
Test and ftld
Standard Tolerance Designation
Afbma standard tolerance for airframe needle bearings
Functional Description
Crtl appl aircraft flight safety
Material
Steel comp e52100
Material Specification
Sae j404 assn standard single material response or aisi uns g52986 assn standard single material response
Reference Data And Literature
Mfr selected item dwg sb2517, dod-std-100, para 201.4.5
Style Designator
Solid inner race, journal and needle
Supplementary Features
Hardness rc 60.0 min 65.0 max; operating temp m65.0 p250.0 degrees f
Test Data Document
81349-mil-t-8679 and 100.0 pct magnafux mil-i-6868 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
NSN
3110-01-257-6976
Part Number
SB2517-1
Description
Ring,bearing,inner
CAGE
78286

The inner component of a ball or roller bearing which provides a contact surface for the rolling elements of an antifriction bearing.

Part SB2517-1 NSN 3110-01-257-6976

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00028
FIIG:
A044A0
Concept No.:
App. Key:
V
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
MMAC:
CRITL:
Y

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Schedule B and Export
  • Schedule B: 8482991010
  • SITC: 74699
  • End Use: Industrial machines, other
  • NAICS: 332991
  • USDA: 1

Freight Class: Inner and outer races for ball bearings (including ball bearings with integral shafts)

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