NTN 6821NC3
Single Row Radial Ball Bearings
(BRAND)：NTN
(Availability)：In Stock
Technical Specifications
Type
Deep Groove Ball Bearing
Bore Type
Round
Material
High Carbon Chrome Steel
Cage Type
Pressed
Cage Material
Steel
Ball Material
Steel
Limiting Speed - Oil
5400 RPM
Limiting Speed - Grease
4600 RPM
Seal Type
None
Seal Material
None
Precision
Class 0
Configuration
One
Factor
15.9
Radial Internal Clearance
C3
Static Load Rating
22000 N
Dynamic Load Rating
22000 N
Enclosure
Open
Operating Temperature Range
-40 to 120 ºC
Dimensional Specifications
d
105.000 mm
D
130.000 mm
B
13.000 mm
D1
127.600 mm
a
2.100 mm
b
1.300 mm
r
1.000 mm
r1
0.500 mm
da min
110.000 mm
da max
0.000 mm
Da max
125.000 mm
ras max
1.000 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...
