Post code - sealing and dustproof RSR——The
bearing has a sealing ring on one side. Example: 6207 RSR .2RSR -
The bearing has seals on both sides. Example: 6207.2RSR. ZR——The
bearing has a dust cover on one side. Example: 6207 ZR .2ZR
bearings come with dust covers on both sides. Example: 6207.2ZR
ZRN—— The bearing has a dust cover on one side and a stop groove on
the outer ring on the other side. Example: 6207 ZRN. .2ZRN—— The
bearing has dust covers on both sides and a stop groove on the
outer ring. Example: 6207.2ZRN
