Model: 21641-78

Needle Bearing Cam Follower

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
1.0000 inches
Overall Length
3.2810 inches
Overall Outside Diameter
2.0000 inches
Lubrication Material
Grease
Stud Diameter
0.8750 inches
Outer Ring Width
1.2500 inches
Stud Length
2.0000 inches
Thready Qty Per Inch (tpi)
14
Thread Size
0.875 inches
Lubrication Material Specification
Mil-g-23827 military specification single material response
Material
Steel
Style Designator
Cam follower
Thread Series Designator
Unf
NSN
3110-00-157-0512
Part Number
21641-78
Description
Cam Follower,needle Bearing
CAGE
29899

An assembly consisting of a roller and stud used to effect a rolling contact with a cam, and convert the reciprocating or oscillating motion to linear motion.

Part 21641-78 NSN 3110-00-157-0512

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00040
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:
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: 8482400000
  • SITC: 74640
  • End Use: Industrial machines, other
  • NAICS: 332991
  • USDA: 1

Freight Class: Needle roller bearings

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