Model: FF-B-187

Tapered Roller Bearing

Properties:

Overall Width
0.5313 inches
Bore Diameter
0.8750 inches
Overall Outside Diameter
1.9687 inches
Backface Corner Radius
0.0400 inches
Standout Width
0.1563 inches
Cone Corner Radius
0.0460 inches
Cone Width
0.5614 inches
Cup Width
0.3750 inches
Standard Tolerance Designation
Afbma class 2
Material
Steel comp 4320 cup or steel comp 4620 cup or steel comp 8620 cup or steel comp e52100 cup
Material
Steel comp 4320 cone or steel comp 4620 cone or steel comp 8620 cone or steel comp e52100 cone
Material
Steel comp 4320 roller or steel comp 4620 roller or steel comp 8620 roller or steel comp e52100 roller
Material
Steel retainer
Material Specification
Qq-s-624 federal specification 1st material response cone or qq-s-624 federal specification 2nd material response cone or qq-s-624 federal specification 3rd material response cone or 66 federal standard 4th material response cone
Material Specification
Qq-s-624 federal specification 1st material response cup or qq-s-624 federal specification 2nd material response cup or qq-s-624 federal specification 3rd material response cup or 66 federal standard 4th material response cup
Material Specification
Qq-s-624 federal specification 1st material response roller or qq-s-624 federal specification 2nd material response roller or qq-s-624 federal specification 3rd material response roller or 66 federal standard 4th material response roller
Style Designator
Straight bore, normal angle
NSN
3110-00-155-7450
Part Number
FF-B-187
Description
Bearing,roller,tapered
CAGE
81348

A cylindrical device in which the inner cone or outer cup turns upon a single or double row of tapered hardened rollers which roll easily in a race, thus minimizing friction and designed to carry a radial load and capable of sustaining axial thrust. Excludes bearing, roller, thrust.

Part FF-B-187 NSN 3110-00-155-7450

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00021
FIIG:
A044A0
Concept No.:
App. Key:
A
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:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.4000lbs
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: 8482200030
  • SITC: 74620
  • End Use: Industrial machines, other
  • NAICS: 332991
  • USDA: 1

Freight Class: Tapered roller bearings, cup and cone assemblies entered as a set, wheel hub units, other than flanged

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