Model: 310913

Cylindrical Roller Bearing

Special Features:

Qsilver plate cage on land riding surfaces and roller pockets 0.0005-0.0015 thk per ams 2412 no strike metal reqd. Bake at 475-500f for 2 hrs to check for bond. Rings and rollers stabilized for min. Distortion at 400f

Properties:

Overall Width
Between 0.7824 inches and 0.7874 inches
Bore Diameter
Between 1.9683 inches and 1.9685 inches
Overall Outside Diameter
Between 3.5430 inches and 3.5433 inches
Surface Finish
Ground
Retainer Fabrication Method
Machined
Bore Shape
Straight
Locating Feature
Nonlocating
Internal Clearance
0.0009 inches radial and 0.0019 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
Ams 4616 assn standard single material response retainer
Material Specification
Pwa 723, dscm 77445 mfr ref single material response outer ring
Material Specification
Pwa 723, fscm 77445 mfr ref single material response inner ring
Material Specification
Pwa 723, fscm 77445 mfr ref single material response roller
Style Designator
252h single row, two-direction locating, two lip inner ring, two lip outer ring, separable
Style Designator
Single row, two-direction locating, two lip inner ring, two lip outer ring, separable
NSN
3110-00-554-0712
Part Number
310913
Description
Bearing,roller,cylindrical
CAGE
77445

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 310913 NSN 3110-00-554-0712

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:
A
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
SPI No.:
SPI Rev.:
SPC Mkg:
ZZ
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: 8482500000
  • SITC: 74650
  • End Use: Industrial machines, other
  • NAICS: 332991
  • USDA: 1

Freight Class: Other cylindrical roller bearings

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