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Koyo 6203 Z is a 62 series single-row deep groove ball bearing with a 17 mm bore, 40 mm OD, and 12 mm width. It features a single steel shield (Z) on one side for protection against contaminants. Suitable for electric motors, pumps, and general rotating machinery. 6200 Single Shielded Bearing
6203-Z, 6203 Z, and 6203Z
MODEL 6203ZC3
SKF Bearing
$12.93
Koyo Bearing
$6.95
Timken
$12.36
NTN Bearing
$12.31
Call to confirm
Returnable: See conditions
Bearing Material
Steel
Bearing Type
Deep Groove Ball Bearings
Bore Diameter
17 mm
Cage Material
Steel
Cage Type
Riveted
Closure Type
Single Shield
Dynamic Load Capacity
12 kN
Fillet Radius
0.6 mm
Internal Clearance
C0
Lubricant
Grease
Maximum RPM
17000 rpm Grease/21000 rpm Oil
Number of Rows
1
O.D.
40 mm
Operating Temperature Range
-30 to 120 deg C
Outer Diameter Type
Straight
Precision class
Class 0
Series
6200
Static Load Capacity
4.8 kN
Type
Round
Width
12 mm
How do I choose the right type of bearing for my application?
Start with the load and how it’s applied. You need to know if you’re dealing with radial loads, axial loads, or a mix of both. Then look at speed, operating environment, and space constraints. For example, ball bearings are great for high speed and lighter loads, while roller bearings handle heavier loads but usually at lower speeds. If there’s contamination, moisture, or heat involved, you may need sealed bearings or specific materials. In most cases, the right choice comes down to matching load type, speed, and environment to the bearing design.
What is the difference between deep groove and angular contact ball bearings?
Deep groove ball bearings are the most common type. They’re designed to handle mainly radial loads, but they can also take some axial load in both directions. They’re simple, versatile, and used in everything from motors to conveyors. Angular contact ball bearings are built for combined loads, especially where there’s significant axial force in one direction. They’re often used in pairs and are common in higher precision or higher load applications like pumps and gearboxes. If your load is mostly radial, go deep groove. If axial load matters more, angular contact is usually the better choice.
| Brand | SEW Eurodrive |
| Model | R107 R77 DRN112M4 |
