What size is a 6210 bearing?
DIMENSIONS
| d | 50 mm | Bore diameter |
|---|---|---|
| D | 90 mm | Outside diameter |
| B | 20 mm | Width |
| d1 | ≈ 62.51 mm | Shoulder diameter |
| D2 | ≈ 81.61 mm | Recess diameter |
Is C3 a high speed bearing?
It is also suitable for high speed applications. This bearing has a C3 radial internal clearance designation to indicate that the radial slack between the inner and outer rings is greater than the standard CN (normal) clearance.
What does ZZ on a bearing mean?
ZZ is the code used for sealed bearings, which belongs to the post code in the bearing code. The seal of the bearing indicated by ZZ is a double-sided seal with a dust cover. The material of the seal cover is a steel plate.
Is a C3 bearing better?
Bearings with this type of clearance are uncommon and have very limited uses. C3 – Refers to a “greater than standard clearance”. This is the most common type of bearing, and is the correct choice for the majority of applications. C4 – Refers to “greater than C3 clearance”.
What is the difference between 2Z and C3 bearings?
The 2Z suffix indicates that the bearing has a steel seal on both sides. The bearings are filled with a high-quality grease and are lubricated for life. The C3 in the product name means that this bearing has a higher (internal) clearance than normal. The C3 clearance is most frequently used for this type of bearings.
What does C3 bearing mean?
Internal clearance being C3 means that the bearing has room for expansion if needed between the races of the bearing, whilst holding the outer ring and moving the inner ring in a radial movement you will detect a little amount of play between the two rings.
Where is ZZ bearing used?
There are applications where the external / manual lubrication is not possible or difficult. Bearings are provided with shields / seals on bothsides to retain factory filled lubricant. Bearings with steel shields are termed as ZZ as suffix after their designated number.
What does C3 mean on bearings?
What is ZZ type bearing?
Type ZZ – Non-removable, non-contact metal shield retained in the outer ring via crimping, or pressing. This type of shield cannot be removed once installed. This type of shield can also be manufactured from 300 series stainless steel.