Model: 538623

Cylindrical Roller Bearing
Description:

1.0186 inches overall width, 2.5588 inches bore diameter, 3.9367 inches overall outside diameter, acft eng tf-30 end item identification.

Special Features:

Dia of inner ring is 0.9477 in. Min 0.9487 in. Max; silver plate cage 0.001-0.002 in. Thk per ams 2412 on land riding surf and roller pockets, bake at 475-500f for 2hrs to check for bond

Properties:

Overall Width
Between 1.0186 inches and 1.0236 inches
Bore Diameter
Between 2.5588 inches and 2.5591 inches
Overall Outside Diameter
Between 3.9367 inches and 3.9370 inches
End Application
Aircraft eng tf-30
Surface Finish
Ground
Retainer Fabrication Method
Machined
Bore Shape
Straight
Locating Feature
Nonlocating
Internal Clearance
0.0028 inches bias megawatts and 0.0038 inches angular megawatts
Internal Clearance
0.0028 inches bias megawatts and 0.0038 inches radial
Standard Tolerance Designation
Rbec no.5
Material
Steel comp 4340 retainer
Material
Steel inner ring
Material
Steel outer ring
Material
Steel roller
Material Specification
Pwa 725, 97497 mfr ref 1st material response outer ring
Material Specification
Pwa 725, 97497 mfr ref 2nd material response inner ring
Material Specification
Pwa 725, 97497 mfr ref 3rd material response roller
Style Designator
256a single row, one-direction locating, one lip inner ring, two lip outer ring, roller retainment ring on inner ring, non-separable
Style Designator
Single row, one-direction locating, one lip inner ring, two lip outer ring, roller retainment ring on inner ring, non-separable
NSN
3110-00-075-2227
Part Number
538623
Description
Bearing,roller,cylindrical
CAGE
77445

A nonadjustable roller bearing consisting of a single or multiple-row of hardened cylindrical rollers and a retainer used with or without inner or oute r rings. Excludes bearing, roller, airframe.

Part 538623 NSN 3110-00-075-2227

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00015
FIIG:
A044A0
Concept No.:
App. Key:
L
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:
S
ESD:
ESD:
MMAC:
CRITL:
F

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
270.0000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
LVL_B:

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
114820
UFC:
58860
LTL:
77.5
LCL:
77.5
WCC:
742
TCC:
Z
SHC:
Z
ACC:
Equipment for Aircraft

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Schedule B and Export
  • Schedule B: 8482500000
  • SITC: 74650
  • End Use: Industrial machines, other
  • NAICS: 332991
  • USDA: 1

Freight Class: Other cylindrical roller bearings

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