Model: 1918-RD-104B

Duplex Ball Bearing

Special Features:

Internal fit-up contact angle at point of contact is outward convergent; bore shape is straight; the directional capability of item is double; has 24 ball bearings; axial play is 0.0036 min. And 0.0040 max.; adjacent side faces of outer ring marked "thrust"

Properties:

Overall Width
Between 1.4073 inches and 1.4173 inches
Bore Diameter
Between 3.5430 inches and 3.5433 inches
Overall Outside Diameter
Between 4.9209 inches and 4.9213 inches
End Application
Tf34-100 engine
Retainer Fabrication Method
Machined
Load Direction
Radial
Features Provided
Extra light duty series
Criticality Code Justification
Supp
Contact Angle
23.5 degrees
Material
Steel comp 4340 retainer
Material
Steel comp m50 ball
Material
Steel comp m50 inner ring
Material
Steel comp m50 outer ring
Material Specification
99207c50tf56cl-a mfr ref single material response ball
Style Designator
92b counterbored outer rings, non-separable, back to back mounting
Supplementary Features
Flight safety critical aircraft part
NSN
3110-01-261-8049
Part Number
1918-RD-104B
Description
Bearing,ball,duplex
CAGE
38443

Two single row annular ball bearings selected dimensionally to be a matched pair or set. The ring faces have been specially ground to specified offsets that will produce predetermined preload when mounted. May include a single row angular contact bearing with faces specially ground for duplex mounting.

Part 1918-RD-104B NSN 3110-01-261-8049

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
30213
FIIG:
A044A0
Concept No.:
App. Key:
E
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:
A
ESD:
ESD:
MMAC:
OP
CRITL:
F

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
5.9 X 5.9 X 2.4
Paclk Weight:
3.5000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
SPI No.:
SPI Rev.:
SPC Mkg:
51
LVL_A:
E
LVL_B:
Q

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:
Trailers/Vehicles

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Schedule B and Export
  • Schedule B: 8482105068
  • SITC: 74610
  • End Use: Industrial machines, other
  • NAICS: 332991
  • USDA: 1

Freight Class: Ball bearings, nesoi

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