The suffixes of SKF self-aligning ball bearings have the following meanings:

C3: The internal radial clearance is greater than the normal group

E: Optimize internal design

K: Conical hole, taper 1:12

M: Machined brass cage, rolling element guide

2RS1: Synthetic rubber seals (NBR rubber seals) reinforced by thin steel plates on both sides of the bearing

TN: Injection molded nylon 6,6 cassette cage, rolling element guide

TN9: Injection molded glass fiber reinforced nylon 6,6 cage, rolling element guide

VE294: Annular groove and six lubrication holes on the inner ring

MKL BEARING can produce Self-aligning ball bearing for you ,such as 1201 ETN9  with size 12x32x10mm,for more other bearings just feel free to contact with us .