Product Video


Jota Introduction

Bearing Production Line

Four Main Inspection

Main Process

Live Broadcast

—Who are we—

We are Jota Bearing Co., Ltd. and our brand name is ISK Bearing,

We are experts in small and medium-sized high-precision ball bearings, the top 3 bearing brands in Taiwan, with a factory in Ningbo, 30 years of production experience, providing cost-effective bearings. 

Our main long-term partners, such as Philips & Beko for household appliances, Bosch for power tools, and Shimano, a major Japanese bicycle brand, are all industries that require high-precision bearings.

We can provide professional customized services. And our main product Deep groove ball bearing has tens of thousands of in stock, which can be shipped quickly within 3 days.

We have listed the 2021 shipped quickly models on our DM , if you need it,

please enter the”2021 DM” from our email. We will send you EDM directly.


—Company Introduce—

-Founded in 1991.

-Invested a factory in 2002 in Ningbo(China)

-with IATF16949 and D-U-N-S certificate by D&B, RoHS & REACH compliant.

-Joint-venture manufactures in China

-Headquarter in Taiwan; 7 branch offices in Taiwan, China, Thailand; 1 offshore company.

-Join Alibaba in 2018.

—Customized Bearing Item—

What can we customize:

1.Material : Carbon steel/Chrome Steel GCR15/stainless

2.cover : ZZ(Metal seal)/2RS (Rubber Seal)/Open (no Seal)

3.logo (marked with laser)

Inner and outer diameter size

Inner and outer diameter

Packaging (provide packaging drawings and files)

Print your brand logo


‎ If your MOQ is very small, but you need to laser your logo in bearing it’s OK, We can still provide this service, use laser to engrave your logo on the inner and outer rings. And in the future, If you have a larger order, we can open your own outer cover mold.

—One Step Service—

We are 30 years professional bearing manufacturer, so we can provide deep groove ball bearings, needle roller bearings, tapered roller bearings, ceramic bearings, bushings, etc.

So that you can buy all the types of bearings at one time, saving you time for separate purchases, and getting a good & stable service from us.

—Factory Introduction-1—

Our factory is in Ningbo, with three main buildings, using 100% automatic production lines to avoid human errors and control bearing quality.

—Factory Introduction-2—

Location: Ningbo

Capacity: 5 million pcs/month, 85% load

Production Line: 20~25

Factory Employee: 210 

Office employee : 40

R&D: 5~10