Model: 1-300-031-03

Cylindrical Roller Bearing

Special Features:

Inner and outer ring raceways to be straight within 0.0001 in. Tir, stabilized for operation at m65 degrees f to p400 degrees f, rockwell hardness rating of rollers, inner and outer rings 58.0 to 61.0 c scale, retainer 55.0 to 75.0 b scale, inner and outer ring raceways 6 uin aa, rollers 2 to 5 uin aa, inner ring bore surface 20 uin aa, outer ring od surface 15 uin aa, outer ring lips and retainer od surface 32 uin aa, cage pockets 64 uin aa

Properties:

Overall Width
21.00 millimeters
Bore Diameter
35.00 millimeters
Overall Outside Diameter
80.00 millimeters
Surface Finish
Ground
Retainer Fabrication Method
Machined
Bore Shape
Straight
Locating Feature
One direction
Internal Clearance
0.0012 inches radial and 0.0017 inches radial
Standard Tolerance Designation
Rbec no.5
Material
Copper alloy retainer
Material
Steel inner ring
Material
Steel outer ring
Material
Steel roller
Material Specification
1-300-031, 91547 mfr ref single material response inner ring
Material Specification
1-300-031, 91547 mfr ref single material response outer ring
Material Specification
1-300-031, 91547 mfr ref single material response retainer
Material Specification
1-300-031, 91547 mfr ref single material response roller
Precious Material And Location
Retainer silver
Precious Material
Silver
Style Designator
252f single row, one-direction locating, one lip inner ring, two lip outer ring, separable
Test Data Document
E1004-91547 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.). And +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
3110-00-949-7986
Part Number
1-300-031-03
Description
Bearing,roller,cylindrical
CAGE
99193

A nonadjustable roller bearing consisting of a single or multiple-row of hardened cylindrical rollers and a retainer used with or without inner or oute r rings. Excludes bearing, roller, airframe.

Part 1-300-031-03 NSN 3110-00-949-7986

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00015
FIIG:
A044A0
Concept No.:
App. Key:
L
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:
S
ESD:
ESD:
MMAC:
CRITL:
F

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
300.0000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
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:
5
ACC:
Trailers/Vehicles

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Schedule B and Export
  • Schedule B: 8482500000
  • SITC: 74650
  • End Use: Industrial machines, other
  • NAICS: 332991
  • USDA: 1

Freight Class: Other cylindrical roller bearings

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