Ball Bearing Material

Deep-groove ball bearings (6203 bearings) are one of the most commonly used types of bearings on the market. They are known for their versatility in a wide range of applications, have a high load capacity, and are efficient in operation. The 6203 designation is derived from the dimensions of the ball bearing, which has an inside diameter of 17mm, an outside diameter of 40mm, and a width of 12mm.

 

The construction is simple yet effective. They are composed of an inner race, an outer race, a cage, and some precision balls. The inner and outer races are circular rings that are used to support and guide the balls during rotation. The cage is used to hold the balls in place while allowing enough space for them to move freely. Finally, the precision balls themselves are what enable the bearing to handle extreme loads while still being able to rotate smoothly.

 

6203 bearings are popular among various industries such as resistance measuring instruments, shovels, testing machines, topstitch-less surface treatment equipment, etc. This is due to their superior performance, durability, and high load-carrying capacity. Their deep groove design provides greater radial and axial load capacity and is well-suited to handle both radial and axial forces. This means it is capable of carrying both a heavy load in a radial direction and a light load in an axial direction.

 

There are different types available on the market, each with its unique attributes. For example, sealed 6203 bearings are sealed with rubber seals that prevent dust, contaminants, and moisture from entering the bearing, which extends its life and performance. Whereas open bearings have no seal, which reduces friction between the balls and the races and provides higher speed.

 

They are simple to install and maintain but require proper lubrication to ensure maximum efficiency. It is suggested to clean the bearing whenever it is dismounted and lubricate it with proper lubricant to ensure it functions smoothly.

 

In conclusion, deep groove ball bearings (6203 bearings) are the perfect component for various applications. With their versatile and efficient design, they continue to be a top choice for both professionals and hobbyists alike. Whether it is for resistance measuring instruments, shovels, testing machines, or surface treatment equipment, the 6203 bearings provide outstanding performance and durability to ensure longevity.

 

外形尺寸 Boundary Dimensions			型号 Designation	额定载荷 Load Rating(KN) 动态 dyn. 静态 stat		疲劳极限载荷 Atigue Limit Load (KN)	额定转速 speed ratings（rpm）		r1 r2 (min)	安装尺寸 mounting dimensions			质量Mass (KGS)
d	D	B		Cr Cor		Cu	ng oil	ng grease		da min	Da max	ra max
17	40	12	6203	9.91	4.75	0.215	22200	17900	0.6	21.2	35.8	0.6	0.065
17	40	12	6203 ZZ	9.91	4.75	0.215	18200	14500	0.6	21.2	35.8	0.6	0.065
17	40	12	6203 2RS	9.91	4.75	0.215	14000	11500	0.6	21.2	35.8	0.6	0.065