The O-ring cherry seal is molded from various materials, including NBR-70-1 (Type A/Nitrile rubber), and comes in a wide range of sizes.
It is the most versatile material made of nitrile rubber. It has oil resistance and abrasion resistance, but it is inferior in weather resistance. Before JIS B2401:2012 defined it as NBR-70-1, it was referred to as Type A (old JIS standard = JIS B2401:2005). Sakura Seal Co., Ltd. offers a wide variety of O-rings, ranging from very small O-rings to large diameter rings, in addition to the general standard sizes according to JIS standards, and we support the appropriate selection of O-rings in terms of both material and size. * We also accommodate shapes other than O-rings.
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basic information
The most versatile material made of nitrile rubber, featuring oil resistance and abrasion resistance. Type A (old JIS standard = JIS B2401:2005). Hardness A70±5. Black color. Temperature range -30 to 100°C.
Price information
Prices may vary depending on size and quantity, so please feel free to contact us.
Delivery Time
P1
※In principle, stock items are available for immediate delivery, but the delivery time may vary depending on size and quantity.
Applications/Examples of results
O-rings, packing, gaskets. They have oil resistance and wear resistance, and are the most widely used materials.
Line up（13）
| Model number | overview |
|---|---|
| P Standard | This is a dimensional standard established for motion, cylindrical surface fixation, and flat surface fixation. JIS B2401 P. |
| G Standard | This is a dimensional standard established for cylindrical surface fixation and flat surface fixation. JIS B2401 G. |
| GS Standard | This is a dimensional standard established for cylindrical surface fixation and flat surface fixation. Derived from G Standard. |
| V Standard | This is a dimensional standard established for vacuum flanges. JIS B2401 V. Related to JIS B2290. |
| AS568 Standard | This is a dimensional standard established for motion, cylindrical surface fixation, and flat surface fixation. SAEI. ARP568. |
| S Standard | This is a dimensional standard established for cylindrical surface fixation and flat surface fixation. Space-saving. |
| SS Standard | This is a dimensional standard established for cylindrical surface fixation and flat surface fixation. Small diameter series. |
| JASO F404 Standard | This is a dimensional standard established for motion, cylindrical surface fixation, and flat surface fixation. Automotive Technical Association. |
| KS Standard | This is a dimensional standard established for motion and cylindrical surface fixation. |
| ISO Standard | This is a dimensional standard by the International Organization for Standardization. |
| AN6227 Standard | This is a dimensional standard established for motion and cylindrical surface fixation. JIS W1516. |
| AN6230 Standard | This is a dimensional standard established for cylindrical surface fixation. JIS W1517. |
| Non-standard Sizes and Special Shapes | Please feel free to contact us. |
catalog（1）
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Company information
Sakura Seal Co., Ltd. is a seal product manufacturer that specializes in the production and sale of various sealing products, primarily O-rings, oil seals, and gaskets. We are particularly skilled in molded products made from fluororubber, and we offer a wide range of high-performance materials with special properties, including not only general-purpose FKM materials but also FFKM materials. With our deep knowledge of various sealing products, we maintain a stock of over 20,000 types, even within Tokyo, and strive to remain an organization that provides high convenience for industries and society.
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