Model: D1-31520

Annular Ball Bearing
Description:

9.00 millimeters overall width, 30.00 millimeters bore diameter, 47.00 millimeters overall outside diameter, ground surface finish.

Special Features:

Stabilized for operation from m65 degrees f to p250 degrees f, c scale 58 min, 61 max rockwell hardness rings and ball, surface finish id inner ring 16 to 20 microinches aa, od outer ring 16 microinches aa, retainer pocket 30 to 50 microinches aa, raceways 6 to 13 microinches aa

Properties:

Overall Width
9.00 millimeters
Bore Diameter
30.00 millimeters
Overall Outside Diameter
47.00 millimeters
Surface Finish
Ground
Retainer Fabrication Method
Machined
Load Direction
Angular
Bore Shape
Straight
Internal Clearance
0.0035 inches axial and 0.0080 inches axial and 0.0003 inches radial and 0.0011 inches radial
Standard Tolerance Designation
Abec no.3
Material
Aluminum alloy retainer or copper alloy retainer
Material
Steel ball
Material
Steel inner ring
Material
Steel outer ring
Material Specification
Ams 4088 assn standard single material response retainer or m-3900, 91547 mfr ref single material response retainer
Material Specification
Ams 6440 assn standard single material response ball
Material Specification
Ams 6441 assn standard single material response inner ring
Material Specification
Ams 6441 assn standard single material response outer ring
Style Designator
40a 4 point ball contact, solid inner and outer rings, non-separable
Style Designator
4 point ball contact, solid inner and outer rings, non-separable
Test Data Document
+6903-91547 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
3110-00-080-7606
Part Number
D1-31520
Description
Bearing,ball,annular
CAGE
38443

A cylindrical device in which the inner or outer ring turns upon a single or double row of hardened balls which roll easily between the two rings, thus minimizing friction. For items with faces specially ground for duplex mounting see bearing, ball, duplex. Excludes bearing, ball, airframe.

Part D1-31520 NSN 3110-00-080-7606

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00014
FIIG:
A044A0
Concept No.:
App. Key:
C
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:
F

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
3.0 X 3.0 X 2.0
Paclk Weight:
0.2000lbs
Item Weight:
0.1000lbs
Item Dim:
002000200004
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
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:
9
ACC:
Trailers/Vehicles

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Schedule B and Export
  • Schedule B: 8482105028
  • SITC: 74610
  • End Use: Industrial machines, other
  • NAICS: 332991
  • USDA: 1

Freight Class: Angular contact ball bearings, nesoi

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