Model: A978

Thrust Ball Bearing

Special Features:

Washers overlap, one washer notched for lubrication

Properties:

Overall Height
0.8700 inches
Overall Outside Diameter
Between 4.4900 inches and 4.5100 inches
Bore Smallest Diameter
Between 2.7490 inches and 2.7500 inches
Surface Finish
Ground
Retainer Fabrication Method
Pressed
Alignment Type
Rigid
Thrust Directional Capability Designation
Single
Material
Copper alloy insert
Material
Steel comp 1010 band
Material
Steel comp 1020 ball
Material
Steel comp 1010 retainer
Material
Steel comp 1010 washer
Material Specification
66 federal standard single material response retainer
Material Specification
66 federal standard single material response washer
Material Specification
66 federal standard single material response ball
Style Designator
Clutch release, thrust, lubricated and sealed
NSN
3110-00-158-6202
Part Number
A978
Description
Bearing,ball,thrust
CAGE
70801

An antifriction bearing having a ball rolling element, designed to resist axial thrust, or to support an axial load. Excludes bearing, ball, pivot.

Part A978 NSN 3110-00-158-6202

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00019
FIIG:
A044A0
Concept No.:
App. Key:
K
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:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
1.6000lbs
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:
--
WCC:
742
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Schedule B and Export
  • Schedule B: 8482105008
  • SITC: 74610
  • End Use: Industrial machines, other
  • NAICS: 332991
  • USDA: 1

Freight Class: Thrust ball bearings

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