Model: MM7207PW3NBRDUTRIPE8521

Stack Ball Bearing

Special Features:

Astabilized for operation at m 65 to p 250 degrees f, lubricated w/mil-l-7808thrust marking on od of bearing, 4 slots equally spaced on face of outer race of ea bearing 0.250 in. W by 0.040 in. Dp

Properties:

Overall Width
Between 1.9779 inches and 2.0079 inches
Bore Diameter
Between 1.3778 inches and 1.3780 inches
Overall Outside Diameter
Between 2.8343 inches and 2.8346 inches
Stack Arrangement
3 angular contact bearings, 2 tandem, 1 reversed
Material
Copper alloy retainer
Material
Steel ball
Material
Steel inner ring
Material
Steel outer ring
Material Specification
369a5138, 02731 mfr ref all material responses ball
Material Specification
369a5138, 02731 mfr ref all material responses inner ring
Material Specification
369a5138, 02731 mfr ref all material responses outer ring
Material Specification
369a5138, 02731 mfr ref all material responses retainer
Style Designator
Stack
Test Data Document
02731-369a5138 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
3110-00-945-9164
Part Number
MM7207PW3NBRDUTRIPE8521
Description
Bearing,ball,stack
CAGE
21335

A multiple assembly of more than two bearings matched for duplex mounting. Designed primarily for aircraft propeller and rotary wing aircraft rotor blade applications. See also bearing, ball, annular.

Part MM7207PW3NBRDUTRIPE8521 NSN 3110-00-945-9164

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
30214
FIIG:
A044A0
Concept No.:
App. Key:
H
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:
CRITL:
F

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
5.0 X 5.0 X 2.5
Paclk Weight:
3.0000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
SPI No.:
SPI Rev.:
SPC Mkg:
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:
9
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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