2_1main

1. Arrangement in which fixed and free sides are distinguished

n : Rotational speed

F_r : Radial load

F_a : Axial load

Q : Aligning capability

Example	Bearing arrangement		n	F_r	F_a	Q	Application example
Example	Fixed side	Free side	n	F_r	F_a	Q	Application example
1	Deep groove ball bearing	Cylindrical roller bearing (NU type)	High	Light	Light	Low	Medium size motors, air blowers
2	Cylindrical roller bearing (NUP type)	Cylindrical roller bearing (NU type)	High	Heavy	Light	Low	Traction motors for railway rolling stock
3	Tapered roller bearing (Back-to-back arrangement)	Cylindrical roller bearing (NU type)	High	Heavy	Heavy	Low	Speed reducers, lathe spindles
4	Angular contact ball bearing (Back-to-back arrangement)	Cylindrical roller bearing (NU type)	High	Normal	Normal	Low	Motors
5	Spherical roller bearing	Cylindrical roller bearing (N type)	Middle	Heavy	Normal	Middle	Paper making machine calendar rolls
6	Deep groove ball bearing Cylindrical roller bearing (NU type)	Cylindrical roller bearing (NU type)	High	Heavy	Light	Low	Speed reducers
7	Deep groove ball bearing	Deep groove ball bearing	High	Light	Light	Low	Pumps
8	Double-row angular contact ball bearing	Deep groove ball bearing	High	Light	Normal	Low	Worm gear, speed reducers
9	Spherical roller bearing	Spherical roller bearing	Middle	Heavy	Normal	High	Steel manufacturing table rollers