Model: FF-B-187

Tapered Roller Bearing

Special Features:

Oil hole and groove in cup

Properties:

Overall Width
2.5625 inches
Bore Diameter
2.0000 inches
Overall Outside Diameter
4.4375 inches
Backface Corner Radius
0.0620 inches
Standout Width
0.3750 inches
Cone Corner Radius
0.0930 inches
Cup Width
1.8125 inches
Standard Tolerance Designation
Afbma class 2
Material
Steel comp 4320 cup or steel comp e4340h cup or steel comp 8620 cup or steel comp e52100 cup
Material
Steel comp 4320 roller or steel comp e4340h roller or steel comp 8620 roller or steel comp e52100 roller
Material
Steel retainer
Material Specification
66 federal standard all material responses cup
Material Specification
66 federal standard all material responses roller
Style Designator
Straight bore, double cup, single cones, non-adjustable, steep angle
NSN
3110-00-116-8806
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 3110-00-116-8806

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:
6.1000lbs
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: 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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