Model: SR2660B31C7-1

Duplex Ball Bearing

Special Features:

9inner race, outer race, and balls passivate perqq-p-35 ; lubricate by vacuum impregnation centrifuge bearing at 200 plus or minus 20 g for 2 to 2.25ominutes ; inscribed v match mark on outside diameter of bearing ; package per mil-b-117 type 1 class e

Properties:

Overall Width
Between 0.2925 inches and 0.3125 inches
Bore Diameter
Between 1.6247 inches and 1.6250 inches
Overall Outside Diameter
Between 1.8746 inches and 1.8750 inches
Lubrication Material
Oil
Surface Finish
Ground
Retainer Fabrication Method
Machined
Load Direction
Angular
Internal Fit-up Designation
Standard
Standard Tolerance Designation
Abec no. 5t
Lubrication Material Specification
Mil-l-6085 military specification single material response
Material
Plastic phenolic retainer and paper retainer or cotton retainer and glass retainer
Material
Steel comp 440c ball
Material
Steel comp 440c inner ring
Material
Steel comp 440c outer ring
Material Specification
Qq-s-763 federal specification single material response ball
Material Specification
Qq-s-763 federal specification single material response inner ring
Material Specification
Qq-s-763 federal specification single material response outer ring
Style Designator
92b counterbored outer rings, non-separable, back to back mounting
NSN
3110-01-160-2191
Part Number
SR2660B31C7-1
Description
Bearing,ball,duplex
CAGE
83086

Two single row annular ball bearings selected dimensionally to be a matched pair or set. The ring faces have been specially ground to specified offsets that will produce predetermined preload when mounted. May include a single row angular contact bearing with faces specially ground for duplex mounting.

Part SR2660B31C7-1 NSN 3110-01-160-2191

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
30213
FIIG:
A044A0
Concept No.:
App. Key:
E
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:
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: 8482105068
  • SITC: 74610
  • End Use: Industrial machines, other
  • NAICS: 332991
  • USDA: 1

Freight Class: Ball bearings, nesoi

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