RUBBER DYNAMICS BN700100-023 Buna Ring 70A 1-1/16

( Brand: Rubber Dynamics ), ( Manufacturer Part Number: BN700100-023 ), ( Part Type: Ring ), ( Unit Count: 100.0 Count ), ( Item Weight: 0.98 Ounces ), ( Material Type: Buna-nitrile ), ( Color: Black ), ( Temperature Range: 30f To 250f Degrees Fahrenheit ), ( Nominal Inside Diameter: 1-1/16 Inches ), ( Item Diameter: 1.19 Inches ), ( Nominal Outside Diameter: 1-3/16 Inches ), ( Size: 023, 1-1/16 Id, 1/16 Width )

Review RUBBER DYNAMICS 023 Buna n O ring 70a Hardness Black 1-1/16 Inch Id 1/16 Width 100

The **Rubber Dynamics BN700100-023 Buna-N O-Ring (70A Durometer, 1-1/16" x 1/16")** is a precision-engineered sealing solution designed to deliver reliable performance in demanding industrial, automotive, and hydraulic applications where fluid resistance, durability, and consistent compression are critical. Manufactured from **Buna-N (Nitrile) synthetic rubber**, this o-ring excels in environments where exposure to fuels, oils, hydraulic fluids, and mild solvents is unavoidable, thanks to its superior resistance to swelling, degradation, and chemical attack. The **70A durometer** hardness strikes an optimal balance between flexibility and resilience, ensuring a tight, long-lasting seal that maintains its integrity under moderate pressure and temperature fluctuations typically ranging from **-40 F to 212 F (-40 C to 100 C)** without compromising elasticity or dimensional stability. Its **1-1/16" (1.0625") inner diameter and 1/16" (0.0625") cross-section** make it a versatile fit for standard shaft seals, piston rods, and hydraulic cylinder applications where precise clearance is essential to prevent leakage while minimizing friction.

Crafted with **high-quality Buna-N compound**, this o-ring incorporates a formulation optimized for abrasion resistance, low compression set, and excellent recovery properties, ensuring it retains its sealing effectiveness even after repeated cycles of installation, deformation, and removal. The material s inherent oil and fuel resistance makes it an ideal choice for automotive fuel systems, hydraulic machinery, and industrial equipment where exposure to petroleum-based fluids is common. Additionally, its **clean, smooth finish** reduces the risk of debris entrapment, further enhancing reliability in critical sealing applications. Whether used in automotive fuel lines, hydraulic pumps, or pneumatic systems, this o-ring delivers consistent performance under dynamic conditions, providing a dependable barrier against contaminants while withstanding the rigors of continuous motion and pressure variations. For applications requiring a balance of cost-effectiveness and performance, the **BN700100-023** stands as a robust, off-the-shelf solution that meets or exceeds industry standards for sealing integrity and longevity.

### **Pros and Cons of buying a Rubber Dynamics BN700100-023 (Buna-N O-Ring, 70A Durometer, 1-1/16" x 1/16")**

1. **High-Quality Material (Buna-N)** Buna-N (Nitrile) is a durable synthetic rubber known for its excellent resistance to oils, fuels, and many chemicals, making it ideal for automotive, hydraulic, and industrial applications where exposure to fluids is common.

2. **Standardized Sizing** The dimensions (1-1/16" outer diameter 1/16" cross-section) are common in many mechanical and hydraulic systems, ensuring compatibility with widely used fittings, seals, and gaskets.

3. **Durability and Longevity** With a 70A durometer, this O-ring strikes a balance between flexibility and strength, providing reliable sealing performance over extended use without excessive wear or deformation.

4. **Cost-Effective for Common Applications** As a widely available part, it is typically priced affordably compared to specialty or high-performance O-rings, making it a practical choice for general-purpose sealing needs.

5. **Compatibility with Lubricants** Buna-N is well-suited for applications involving hydraulic fluids, motor oils, and other petroleum-based lubricants, reducing the risk of degradation or failure in such environments.

6. **Easy to Install** The standard size and material make it straightforward to install manually or with basic tools, reducing installation time and complexity.

7. **Widely Available** This O-ring is stocked by many suppliers, including Rubber Dynamics, McMaster-Carr, and online marketplaces, ensuring quick replacement availability.

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1. **Limited Chemical Resistance** While Buna-N resists oils and fuels, it may degrade when exposed to ozone, oxygen, or certain polar solvents (e.g., ketones, esters) over time. This could shorten its lifespan in environments with such chemicals.

2. **Temperature Limitations** Buna-N typically performs best in temperatures between **-40 F to 250 F (-40 C to 121 C)**. Extreme heat or cold could lead to hardening (reduced flexibility) or softening (loss of structural integrity), compromising the seal.

3. **Not Ideal for Food or Medical Use** Unlike silicone or certain specialty rubbers, Buna-N is not FDA-approved for food-grade or medical applications due to potential leaching or contamination risks.

4. **Potential Swelling in Some Fluids** While it resists many hydrocarbons, prolonged exposure to certain fuels (e.g., ethanol blends) or glycol-based fluids could cause swelling, leading to seal failure.

5. **Aging Over Time** Like all rubber compounds, Buna-N can degrade due to UV exposure, ozone, or oxidation if stored improperly or used in harsh conditions, requiring periodic inspection and replacement.

6. **Potential Compatibility Issues with Certain Metals** In applications where the O-ring contacts metal surfaces, galvanic corrosion or adhesion issues (e.g., with copper or brass) could occur if not properly lubricated or if the metal is prone to corrosion.

7. **Requires Proper Installation** Improper installation (e.g., overstretching, misalignment, or contamination) can lead to premature failure. This may require careful handling or professional installation in critical systems.

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The **Rubber Dynamics BN700100-023 Buna-N O-ring (70A, 1-1/16" x 1/16")** is a **reliable, cost-effective choice** for general-purpose sealing in automotive, hydraulic, and industrial applications where exposure to oils, fuels, and moderate temperatures is expected. Its **durability, chemical resistance, and widespread availability** make it a practical option for many users. However, its **limitations in extreme temperatures, certain chemicals, and specialized applications** mean it may not be suitable for all environments. For applications requiring **higher temperature resistance, food safety, or exposure to polar solvents**, alternative materials like **Viton, silicone, or EPDM** would be more appropriate.

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- You need a **standard, cost-effective seal** for automotive, hydraulic, or general mechanical applications.

- The application involves **oils, fuels, or petroleum-based lubricants** without exposure to harsh chemicals or extreme temperatures.

- You require a **quick and widely available replacement part**.

- The environment includes **polar solvents, high temperatures (>250 F), or low temperatures (

- The application requires **food-grade, medical, or ozone-resistant sealing**.

- You need **long-term exposure to oxygen or UV light** without degradation.

For most **everyday sealing needs in automotive or industrial systems**, this O-ring is a **solid, well-supported choice**. Always verify compatibility with the specific fluids and conditions of your application before use.

Details:

Fast Delivery. Suitable for a broad temperature range, from 30 F 34 C to 250 121 C, designed with round cross-section ensure secure seal between overlapping cylindrical surfaces. 023 Buna-N O-Ring, 70A Hardness, Black 1-1/16 ID, 1-3/16 OD, 1/16 width Pack of 100:: Made from Buna-Nitrile Buna-N, suitable for use with various fluids, hydrocarbons, oils, fuels, and hydraulic applications. Actual ID: 1.051, CS: 0.070, OD: 1.191, Shipping.

Barometer hardness of 70A for resistance to penetration, Complies with Aerospace Standard AS568A.

part #: bn700100023 prices

• $22.96-$88.50

specifications radiocontrolother:

• brand: Rubber Dynamics
• mpn: Bn700100-023
• part type: Ring
• unit count: 100.0 Count
• item weight: 0.98 Ounces
• material type: Buna-nitrile
• color: Black
• temperature range: 30f To 250f Degrees Fahrenheit
• nominal inside diameter: 1-1/16 Inches
• item diameter: 1.19 Inches
• nominal outside diameter: 1-3/16 Inches
• size: 023, 1-1/16 Id, 1/16 Width

payments radiocontrolother:

• wallet: Paypal
• credit card: Mastercard
• other

shipping radiocontrolother:

• class: Expedited
• service: Expedited
• transit: 5-9 Days
• type: Fixed
• cost: $0.00

general radiocontrolother:

• condition: New
• Toys Hobbies > Radio Control Control Line > Other RC Control Line

seller radiocontrolother:

• city: Canton, Ohio
• rating: 99.9%
• # reviews: 9902

returns radiocontrolother:

• policy: No Returns

offer radiocontrolother:

• started: May 1, 2026
• quantity: 1
• options: Ship-to-home
• sold: 0
• availability: In Stock

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