Model: 51978

Ball Bearing Unit
Description:

0.5000 inches mounting slot width, 0.9375 inches mounting slot length, 1.5000 inches bore diameter, 5.3750 inches center to center distance between mounting holes along width.

Properties:

Mounting Slot Width
0.5000 inches
Mounting Slot Length
0.9375 inches
Bore Diameter
1.5000 inches
Base Thickness
0.8125 inches
Center To Center Distance Between Mounting Holes Along Width
5.3750 inches
Housing Height
4.0625 inches
Housing Width
7.0625 inches
Lubrication Fitting Type
Pipe plug
Base Length
1.8750 inches
Rolling Element Groove Quantity
1
Alignment Type
Self-aligning
Internal Fit-up Designation
Standard
Assemblylength
1.9062 inches
Seal Type
Self-aligning
Block Type
Fixed
Shaft End Type
Open
Seal Location
One end
Collar Location
One end
Load Capability Type
Radial
Height From Bottom Of Base To Bore Centerline
2.0000 inches
Features Provided
Ground rolling element groove
Lubrication Fitting Angle From Horizontal Centerline
45.0 degrees
Rotating Element Locking Method
Setscrew locking collar
Mounting Hole Type
Slotted
Lubrication Material
Grease
Material
Iron cast housing
Material
Steel seal
Style Designator
Pillow block, solid
NSN
3130-00-116-9041
Part Number
51978
Description
Bearing Unit,ball
CAGE
33844

An assembled unit, composed of a housing incorporating a single or multiple row ball bearing(s), designed to meet various or specific conditions of mounting.

Part 51978 NSN 3130-00-116-9041

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
30556
FIIG:
A093A0
Concept No.:
App. Key:
A
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

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Schedule B and Export
  • Schedule B: 8482991050
  • SITC: 74699
  • End Use: Industrial machines, other
  • NAICS: 332991
  • USDA: 1

Freight Class: Parts, except inner and outer races, for ball bearings, (including ball bearings with integral shafts)

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