NTN 28990/28920
Tapered Roller Set - Inch Series and J Series
(BRAND)：NTN
(Availability)：In Stock
Technical Specifications
Type
Tapered Roller Bearing
Bore Type
Round
Material
Case Carburized Steel
Style
Cone & Cup
Precision Rating
Class 4
Cone Number
28990
Cup Number
28920
Configuration
One
Lubrication
w/o Oil Hole
e (Axial Load Factor)
0.43
Y2 (Axial Load Factor)
1.41
Static Load Rating
134000 N
Dynamic Load Rating
90500 N
Enclosure
Open
Operating Temperature Range
-40 to 120 ºC
Dimensional Specifications
B
61.976 mm
D
101.600 mm
Wo
19.845 mm
Wi
24.608 mm
W
25.400 mm
r
3.300 mm
R
2.0 mm
a (Effective Load Center)
-1.700 mm
U
72.0 mm
V
68.0 mm
X
97.0 mm
Z
90.0 mm
Custom Engineered Wear Sleeve Link Ball for Heavy Use
Shell News
Shell News
Every day, machines rely on sturdy components to function properly. The Wear sleeve Link Balls mechanism...
High Quality Rust Resist & Low-Friction Linear Ball Slides
Shell News
Shell News
High-speed machines need to move smoothly. Clean mobility leads to better work. This is why all modern...
High Accuracy Linear Ball Slide for Robotic Machines
Shell News
Shell News
Every move that a robot makes has to be perfect and exact. When machines move in a straight line, a linear...
Industrial Bearing Wear Sleeves Supplier with Custom Sizes
Shell News
Shell News
Every day, machines in factories work long hours. They go on for hours. They have to deal with things...
Smooth Linear Ball Slide with Stable Running Accuracy
Shell News
Shell News
The goal of building a linear ball slide is to make it move smoothly and straight. Lets machines move...
Lightweight Wear Sleeves Bearing for Easy Installation
Shell News
Shell News
Using lightweight wear sleeved bearings makes machines last longer when they are used regularly. They...
Linear Ball Slide Bearing with Stable Running Performance
Shell News
Shell News
A Linear Ball Slide Bearing helps machines move smoothly and cleanly every day. It allows parts to travel...
Wear Sleeves Designed for Extended Service Life
Shell News
Shell News
Wear sleeves are very small, but they do important jobs inside machines. They make a strong wall for...
Durable Linear Ball Slide for Continuous Motion
Shell News
Shell News
You can count on a durable linear ball slide to give you smooth, steady movement every day. Thanks to...
Protective Wear Sleeves for Durable Wire Harness Systems
Shell News
Shell News
Wires can endure considerably more frequent use with the aid of protective wear sleeves. They offer robust...
