NTN 30321
Tapered Roller Set - Metric Series
(BRAND)：NTN
(Availability)：In Stock
Technical Specifications
Type
Tapered Roller Bearing
Bore Type
Round
Material
Through Hardened Steel
Limiting Speed - Oil
2300 RPM
Limiting Speed - Grease
1700 RPM
Style
Cone & Cup
Precision Rating
Class 0
Configuration
One
Lubrication
w/o Oil Hole
e (Axial Load Factor)
0.35
Y2 (Axial Load Factor)
1.73
Y0 (Axial Load Factor)
0.95
Static Load Rating
530000 N
Dynamic Load Rating
435000 N
Enclosure
Open
Operating Temperature Range
-40 to 120 ºC
Dimensional Specifications
d
105.000 mm
D
225.000 mm
C
41.000 mm
B
49.000 mm
a (Effective Load Center)
-10.000 mm
T
53.500 mm
r
3.000 mm
R
4.0 mm
da
123.0 mm
db
132.0 mm
Da
211.0 mm
Da min
193.0 mm
Db
209.0 mm
Compact Linear Ball Slide Optimized for Limited Spaces
Shell News
Shell News
Compact machines can’t work well every day without very complicated motion parts. On a small linear...
Durable and Flexible Wear Sleeves for Industrial Equipment
Shell News
Shell News
Industrial machines operate daily in harsh environments. Over time, this constant movement causes damage....
Low Friction Linear Ball Slides for Daily Industrial Use
Shell News
Shell News
Ultra-low-friction linear ball slides are tiny parts that let machines move smoothly and easily over...
Industrial Micro-Finish Wear Sleeves for Smooth Operation
Shell News
Shell News
Industrial micro-finish wear sleeves make machines last longer by giving shafts a smooth, clean surface....
Quick-Fit Wear Sleeves for Leak-Free Seal Performance
Shell News
Shell News
Wear sleeves that are small, light, and easy to put on are made to slide over worn or rough spots on...
Precision Linear Ball Slides for Smooth Motion and Stability
Shell News
Shell News
Everyday tools need to work smoothly. A tool that moves easily cuts down on heat growth, scraping, and...
Buy Premium Cam Followers–Smooth Motion & Heavy Load Support
Shell News
Shell News
Cam followers? You see them in all sorts of machines these days. Though they seem tiny, they’re...
Premium IKO Needle Roller Bearings – Shop Quality Bearings
Shell News
Shell News
Want your machines to run without a hitch? You want parts that can take some punishment. Bearings are...
Smooth-Glide Linear Ball Slide for Precise Motion
Shell News
Shell News
This Linear Ball Slide lets things slide slowly, softly, and calmly now that it has even more precise...
High-Strength Wear Sleeves for Shaft Guarding
Shell Brand
Shell Brand
High‑strength wear sleeves help protect the shaft by adding a tough but smooth layer around it. They...
