Also known as
L2218UM C4
NJ2218E.M1.C4.F1.H67C
NJ2218ECM/C4
NJ2218EM C4
NJ2218-E-M1-C4
NJ2218-E-M1-F1-H67C-C4
NJ2218-E-M6-C4
NJ2218-E-XL-M1-C4
NJ2218-E-XL-M1-F1-H67C-C4
NJ2218FY C4
CategoryCylindrical Roller Bearing Single Row
Weight and Dimensions
Inner (d) MM
90
Outer (D) MM
160
Width (B) MM
40
Inner (d) Inch
3.5433
Outer (D) Inch
6.2992
Width (B) Inch
1.5748
Weight (kg)
3.55
Product Properties
Bore
C - Cylindrical Bore
Seal
No Seal
Cage Type
M - Brass Cage
External Modification
No External Modification
Radial Internal Play
C4 Internal Play (Higher than C3)
Precision
Bearings for Traction Motors
Heat Stabilization
No Heat Stabilization - Temperatures up to 120 °C
Suffix description
ECOptimized Internal Design Incorporating More And/Or Larger Rollers And With Modified Roller/End Flange Contact
MTwo-Piece Machined Brass Cage, Roller Centered
C4Bearing Internal Clearance Greater Than C3
VA301Bearing For Railway Vehicle Traction Motors
Product description
The NJ2218ECM/C4VA301 SKF is a single-row cylindrical roller bearing with cage. This bearing consists of a solid inner and outer ring with cylindrical rollers in a cage. This cage prevents contact between the cylinder rollers, so this bearing type can support higher speeds than full-complement cylinder roller bearings. Also, single-row cylindrical roller bearings with cages are very rigid and they can take high radial forces. As the inner and outer rings of these bearings can be easily disassembled, they are very easy to install. Applications of single-row cylindrical roller bearings include gearboxes, agricultural machinery, pumps, compressors, and electric motors.
The NJ2218ECM/C4VA301 SKF is a single-row cylindrical bearing with NJ design. The outer ring has two rigid ribs, while the inner ring has one rigid rib. As a result, NJ bearings can support radial forces as well as axial forces in a single direction. This bearing type is used as a support bearing. Support bearings allow axial displacement of the shaft relative to the housing in one direction. The shaft is located axially in the other direction. NJ bearings can also be used as locating bearings by combining them with HJ angle rings (available separately). Locating bearings are used to locate a shaft axially in both directions.
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