Our factory professional manufacturer of precision bearings. We have over 60 automated and intelligent production lines to ensure stable and large-scale supply. At the same time, we also offer customized non-standard bearings and one-stop services for special working conditions. The company has independent import and export rights, and its product quality is reliable with stable overall performance. Over the years, our products have won the trust of a wide range of customers and have been sold globally to countries and regions such as the United States, the United Kingdom, Germany, France, Italy, Russia, Poland, Spain, Portugal, South Korea, Indonesia, Malaysia, Thailand, Vietnam, Myanmar, Turkey, etc.
Our factory’s thin section ball bearings deliver stable combined radial and axial load capacity, outstanding rotational accuracy, low friction and consistent quiet operation. Featuring a constant cross-section design where section dimensions remain unchanged across different bore sizes, the ultra-thin inner and outer rings greatly save installation space and reduce equipment weight while maintaining structural rigidity. Optimized raceway geometry ensures uniform load distribution, minimizing localized stress, friction loss and premature fatigue wear. Refined internal construction guarantees precise rotary motion, stable heat dissipation and extended service life, making them ideal for compact-layout, high-precision, medium-speed and continuous cyclic working scenarios.These bearings are widely used in industrial robot joints, medical imaging equipment, aerospace rotary mechanisms, optical instruments, semiconductor processing platforms, precision turntables, testing instruments, automated machinery and radar gimbal systems, perfectly meeting the strict space-saving, lightweight and high-precision rotary requirements of various sophisticated mechanical equipment.
| Product Name |
Thin Section Ball Bearing |
| Material |
Chrome steel (GCr15);Stainless steel |
| Number of Row |
Double Row |
| Thin Section Ball Bearing series |
KA;KB KC;KD;KF;KGseries
JU;PAseries
|
| Packaging Detail |
1.industrial packaging: plastic bag+kcraft paper+carton+plywood pallets; plastic tube+carton+plywood pallets 2.commerical packaging: 1pc/plastic bag+color box+carton+plywood pallets 3.as client's requirement |

| EQUIVALENT |
Principal Dimension (mm) |
Weight (Kg) |
Basic LoadRatings |
Limiting Speed (RPM) |
| KAYDON |
SILVERTHIN |
d |
D |
B |
C |
Co |
| KAA10CL0 |
SAA10CL0 |
25.4 |
34.925 |
4.763 |
0.014 |
1290 |
836 |
16840 |
| KAA15CL0 |
SAA15CL0 |
38.1 |
47.625 |
4.763 |
0.018 |
1779 |
1001 |
11890 |
| KA020CP0 |
SA020CP0 |
50.8 |
63.5 |
6.35 |
0.045 |
3025 |
1748 |
8850 |
| KB020CP0 |
SB020CP0 |
50.8 |
66.675 |
7.938 |
0.073 |
4197 |
1967 |
8670 |
| KA025CP0 |
SA025CP0 |
63.5 |
76.2 |
6.35 |
0.059 |
3692 |
1966 |
7270 |
| KB025CP0 |
SB025CP0 |
63.5 |
79.375 |
7.938 |
0.091 |
5071 |
2166 |
7110 |
| KA030CP0 |
SA030CP0 |
76.2 |
88.9 |
6.35 |
0.068 |
4404 |
2865 |
6150 |
| KB030CP0 |
SB030CP0 |
76.2 |
92.075 |
7.938 |
0.109 |
5961 |
3145 |
6040 |
| KA035CP0 |
SA035CP0 |
88.9 |
101.6 |
6.35 |
0.082 |
5961 |
3145 |
6040 |
| KB035CP0 |
SB035CP0 |
88.9 |
104.775 |
7.938 |
0.122 |
6850 |
3412 |
5250 |
| KA040CP0 |
SA040CP0 |
101.6 |
114.3 |
6.35 |
0.086 |
5784 |
2640 |
4710 |
| KB040CP0 |
SB040CP0 |
101.6 |
117.475 |
7.938 |
0.136 |
7283 |
3570 |
4640 |
| KC040CP0 |
SC040CP0 |
101.6 |
120.65 |
9.525 |
0.204 |
9341 |
4773 |
4570 |
| KD040CP0 |
SD040CP0 |
101.6 |
127 |
12.7 |
0.354 |
9701 |
4707 |
4470 |
| KF040CP0 |
SF040CP0 |
101.6 |
139.7 |
19.05 |
0.862 |
13341 |
7873 |
4540 |
| KG040CP0 |
SG040CP0 |
101.6 |
152.4 |
25.4 |
1.633 |
25820 |
15831 |
4210 |
| KA042CP0 |
SA042CP0 |
107.95 |
120.65 |
7.938 |
0.141 |
6140 |
2629 |
4480 |
| KB042CP0 |
SB042CP0 |
107.95 |
123.825 |
6.35 |
0.091 |
8094 |
3763 |
4340 |
| KC042CP0 |
SC042CP0 |
107.95 |
127 |
9.25 |
0.213 |
9.875 |
4.929 |
4.32 |
| KD042CP0 |
SD042CP0 |
107.95 |
133.35 |
12.7 |
0.376 |
14.19 |
7.949 |
4.21 |
| KF042CP0 |
SF042CP0 |
107.95 |
146.75 |
19.05 |
0.907 |
23.088 |
16.261 |
4 |
| KG042CP0 |
SG042CP0 |
107.95 |
158.05 |
25.4 |
1.724 |
36.698 |
26.958 |
3.81 |
| KA045CP0 |
SA045CP0 |
114.3 |
127 |
6.35 |
0.124 |
8.405 |
2.713 |
4.21 |
| KB045CP0 |
SB045CP0 |
114.3 |
130.175 |
7.938 |
0.215 |
10.694 |
3.914 |
4.16 |
| KC045CP0 |
SC045CP0 |
114.3 |
133.35 |
9.325 |
0.18 |
8.479 |
3.084 |
4.1 |
| KD045CP0 |
SD045CP0 |
114.3 |
139.7 |
12.7 |
0.399 |
15.278 |
6.678 |
4 |
| KF045CP0 |
SF045CP0 |
114.3 |
152.4 |
19.05 |
0.993 |
26.313 |
18.281 |
3.81 |
| KG045CP0 |
SG045CP0 |
114.3 |
163.1 |
25.4 |
1.814 |
38.761 |
27.798 |
3.64 |
| KA047P0 |
SA047P0 |
120.65 |
153.5 |
6.35 |
0.104 |
8.966 |
2.921 |
4 |
| KB047P0 |
SB047P0 |
120.65 |
136.525 |
7.938 |
0.254 |
10.03 |
4.001 |
3.95 |
| KC047P0 |
SD047P0 |
120.65 |
139.7 |
9.325 |
0.177 |
9.434 |
5.238 |
3.9 |
| KD047P0 |
SD047P0 |
120.65 |
146.75 |
12.7 |
0.428 |
15.702 |
8.415 |
3.81 |
| KF047P0 |
SF047P0 |
120.65 |
158.05 |
19.05 |
0.976 |
27.623 |
17.096 |
3.64 |
| KG047P0 |
SC047P0 |
120.65 |
171.45 |
25.4 |
1.86 |
41.368 |
28.856 |
3.48 |
| KA050P0 |
SA050P0 |
127 |
139.7 |
6.35 |
0.177 |
9.074 |
2.482 |
3.81 |
| KB050P0 |
SB050P0 |
127 |
142.875 |
7.938 |
0.109 |
7.563 |
4.15 |
3.76 |
| KC050P0 |
SD050P0 |
127 |
146.05 |
9.25 |
0.264 |
11.721 |
5.376 |
3.72 |
| KD050P0 |
SD050P0 |
127 |
152.4 |
12.7 |
0.453 |
16.525 |
8.738 |
3.64 |
| KF050P0 |
SF050P0 |
127 |
167.1 |
19.05 |
1.043 |
28.819 |
19.708 |
3.48 |
| KG050P0 |
SA050P0 |
127 |
175.8 |
25.4 |
1.95 |
43.865 |
27.563 |
3.33 |





FAQ
Q1:Why choose us ?
A1:Our company have over 20 years of experience in manufacturing and selling bearings
Strict Inspection ,and the best quality price with reasonable price bearings provided .
OEM service provided.
After sale service at any time .
Q2:What brand you could provided ?
A2:Our brand is WRM, we also offer OEM service .
Q3:MOQ?
A3:MOQ is 10pcs each model.
Q4:Customlzed Logo?
A4:We can provide OEM service,print your logo on the bearing and packing box.
Q5:Payment?
A5:We accept T/T (Bank Wire),Western Union,Paypal,L/C.Buyer can pay in USD
AUD,CAD,SGD,EUR,GBP,HKD,JPY and cash.
Q6:Your product certifications ?
A5:ISO 9001:2008 , ISO 9001:2000