| Precision Rating: | ABEC-1,ABEC-3,ABEC-5 |
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| Cage: | Steel Cage |
| Certificate: | ISO 9001:2015,Reach and RoHS |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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| Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Suppliers with verified business licenses
Audited Supplier Zhangzhou Runstar Bearings Manufacturing Co.; Ltd, whose brand is RUNSTAR, was establihsed in 2007 and is located in Zhanghou City, the Economic Zone on the west coast of the Taiwan Strait. Equipped with advanced production equipment and inspection instruments, we specilize in manufacturing and selling high precision miniature and small deep groove ball bearing with an inner diameter of 1mm to 50mm, strictly in accordance with GB/T307.1 national standards.
We mainly manufacture and supply metric and inch series of miniature ball bearing, small ball bearing, flanged ball bearing, stainless steel ball bearing, extended inner ring ball bearing, thrust ball bearing, urethane coated bearing, ceramic bearing etcs, the material can be chrome steel and stainless steel, from ABEC-1 to ABEC-7 for choice, we also design and manufacture customized products for special application.
RUNSTAR has set up the quality system and environmental management system. We have passed the cerficate of ISO9001: 2015, All RUNSTAR products are designed and controlled strictly under ISO9001: 2015.
Most of our products are widely used in the fields of precision instrument, home application, medical device, massage equipment, sports equipment, textile machinery, woodworking machinery, motor, power tool, water pump, air compressor, fishing reel and Yoyo etcs.
| ITEM | R188KK,R188V,R188U |
| bore diameter(d) | 1/4" 6.35MM |
| outside diameter(D) | 1/2" 12.7MM |
| Width(B) | 3/16" 4.762MM |
| TYPE | ZZ OR RS |
| MATERIAL | Gcr15 or 9Cr18 |
| BALL | 10 PCS |
| MEMO | WIDELY USED IN YOYO |
we designed many kinds of shapes for YOYO, it is most pop as followings.
U GROOVE
WE ALSO HAVE OTHER SHAPES FOR CHOICE AS FOLLOWINGS.
V GROOVE
T GROOVE
Suppliers with verified business licenses
Audited Supplier 
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