MIL-B-81936

Self-aligning Plain Bearing

NSN 3120-00-281-3062

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
002813062

Detail Specifications

Bore Diameter:
Between 1.2495 inches and 1.2500 inches
Lubrication Material:
Grease, mil-g-81322
Outer Member Outside Diameter:
Between 2.3120 inches and 2.3125 inches
Outer Member Width:
Between 0.9950 inches and 1.0000 inches
Inner Member Width:
Between 1.2450 inches and 1.2500 inches
Static Radial Load Rating:
152000 pounds
Hardness Rating:
36.0 rockwell c outer race member and 37.0 rockwell c outer race member
Hardness Rating:
238.0 rockwell c inner member
Lubrication Feature:
Groove external outer member
Lubrication Feature:
Groove internal inner member
Lubrication Feature:
Groove internal outer member
Lubrication Feature:
Perforation outer race member
Lubrication Feature:
Perforation inner member
Material:
Copper alloy 172 inner member or copper alloy 173 inner member
Material:
Steel comp 630 outer race member
Style Designator:
Without insert or liner with staking groove
NSN:
3120-00-281-3062
Item Name:
Bearing,plain,self-aligning
Cage Code:
81349

Manufacturer Part Numbers

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
SAE AS81936/1
Cage Code:
81343
RNCC:
3
RNVC:
1
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
AS81936/1
Cage Code:
81343
RNCC:
5
RNVC:
1
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
AGB20VA
Cage Code:
15860
RNCC:
5
RNVC:
1
RNAAC:
SB
Status:
A
MSDS:
SADC:
Part Number:
BSSN20-2025G3
Cage Code:
81376
RNCC:
5
RNVC:
1
RNAAC:
SB
Status:
A
MSDS:
SADC:
Part Number:
SBU40RGH74A
Cage Code:
3NPS1
RNCC:
5
RNVC:
1
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
SBU40RGH74M
Cage Code:
3NPS1
RNCC:
5
RNVC:
1
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
M81936/1-20
Cage Code:
81343
RNCC:
3
RNVC:
2
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
M81936/1-20
Cage Code:
81349
RNCC:
5
RNVC:
9
RNAAC:
KZ
Status:
A
MSDS:
SADC:
Part Number:
SBU40RGH74M
Cage Code:
21335
RNCC:
5
RNVC:
9
RNAAC:
KZ
Status:
A
MSDS:
SADC:
Part Number:
ST4M123G20
Cage Code:
76301
RNCC:
5
RNVC:
9
RNAAC:
SB
Status:
A
MSDS:
SADC:
Part Number:
55842-20
Cage Code:
09455
RNCC:
5
RNVC:
9
RNAAC:
SB
Status:
A
MSDS:
SADC:
Part Number:
SBU40RGH74A
Cage Code:
21335
RNCC:
5
RNVC:
9
RNAAC:
SB
Status:
A
MSDS:
SADC:
Part Number:
KSB20-27GA
Cage Code:
97613
RNCC:
5
RNVC:
9
RNAAC:
SB
Status:
A
MSDS:
SADC:

Part Identification

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
13208
FIIG:
A045A0
Concept No.:
App. Key:
B
Cond. Code:
1
Status:
A

Part Materials

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:
0.9000lbs
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:
114870
UFC:
58890
LTL:
77.5
LCL:
--
WCC:
742
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Privacy | Terms

Definition Definition of approved item name (AIN): "Self-aligning Plain Bearing"

A detachable assembly in or on which a journal, gudgeon, pivot, or the like moves. It is used to carry a load and to reduce sliding friction. It does not employ rolling elements. The item consists of a bored precision ground ball (or spherical plain bearing) around which an outer ring is fitted. The assembly may be either separable or nonseparable. Excludes bearing, plain, rod end and bearing, plain, spherical.

MOE Major Organizational Entities

Entity
DSOR
User:
DEPARTMENT OF THE AIR FORCE Dept. of the Air Force
DSOR:
User:
ISRAEL Israel
DSOR:
User:
SINGAPORE Singapore
DSOR:
User:
REPUBLIC OF KOREA Republic of Korea
DSOR:
Import / Export
  • Schedule B: 8482300040
  • SITC: 74630
  • End Use: Industrial machines, other
  • NAICS: 332991
  • USDA: 1

Classification: Spherical roller bearings, single row


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