Single Row Taper Roller Bearing:

Example: Pinion axis of hypoid gear(Gear box) Two Tapered Roller Bearings as a pair.

• Automobile Transmission

• Automobile Differential gear

• Automobile Wheel

• Railway Rolling stock

• Others

Double Row Taper Roller Bearing :

Example: Printing machines, Journal bearings for railway rolling stock, and truck wheels.

• Automobile Transmissions.

• Used in applications requiring large radial and axial loads and high rigidity.

TAPER ROLLER BEARING  30306 DESCRITION

Strusture	Taper roller bearing
Type	roller bearing
Bore size	30 mm
Outside Diameter	72 mm
Thickness	21 mm
Weight	0.387kg
Model number	30305 A , 30305 X , 30305 B , 30305 J2 , 30305 JR , HR 30305 , 30305
Precision	P0 P6 P5 P4 , ABEC-1 , ABEC-3 , ABEC-5 , ABEC-7
Clearance	C0,C2,C3,C4,C5
Vabration	Z1,Z2,Z3,Z4
Number row	Single row
Application	automotive, mill, mining, metallurgy, plastics machinery and other industries.




• Advantages:
  

• Raw material: specified high quality GCR15

• Advanced digital turning, grinding machines and experienced workers guarantee the precision and quality

• QC: workers do three and check one of them, according to the operation card attached on machine

• Automatic demagnetization, cleaning and anti-rust machine to ensure the cleanliness of product

• Quality control: QC inspect 4 times/day at random, 100% full inspection before assembling and shiped

• Professional management system and team, tidy workshop environment to lead a good mood to every worker

According to number of rolling rows, tapered roller bearings were classified into:

• Single-row tapered roller bearing

• Double-row tapered roller bearing

• Four- row tapered roller bearing.

• Inch tapered roller bearing