KENT-MOORE J-21777-86 Tool Pinion Setting Gauge Adapter Disc Bearing Set

( Brand: Kent-moore ), ( Manufacturer Part Number: J-21777-86 ), ( Part Type: Pinion Bearing Gauge Adapter ), ( Country Of Origin: United States )

Review KENT MOORE Tool Pinion Setting Gauge Adapter Side Bearing Disc Set fits J3

The Kent-Moore J-21777-86 Tool Pinion Setting Gauge Adapter Bearing Disc Set J3 is an essential accessory for precision machining and tool setting applications. This disc set is designed to work with various tool post grinder models and can be used to accurately set the pinion gears on milling cutters and other rotating tools.

The set includes three (3) bearing discs of different sizes, which are numbered as J3, J4, and J5. These discs are made of high-quality steel and are precision-machined to ensure smooth and accurate operation. The outer diameter of each disc varies, with J3 having a diameter of approximately 2.2 inches (55.9 mm), J4 having a diameter of approximately 2.5 inches (63.5 mm), and J5 having a diameter of approximately 2.8 inches (71.1 mm).

The bearing discs are designed to fit onto the spindle of a tool post grinder, with the pinion gear engaging with the disc's inner surface. The discs have a flat, machined surface on the side that faces the tool post, which ensures proper alignment and accurate setting of the pinion gear.

The set also includes an adapter that allows the use of these bearing discs on grinders that do not have a standard 1-inch (25.4 mm) arbor. The adapter is made of durable steel and is designed to securely hold the bearing disc in place on the grinder's arbor.

Using this Kent-Moore J-21777-86 Tool Pinion Setting Gauge Adapter Bearing Disc Set J3 can help improve the accuracy and consistency of your machining operations, ensuring that your cutting tools are correctly set and functioning at their optimal performance. The set is an excellent investment for any machinist or workshop looking to enhance their toolroom equipment and achieve higher levels of precision in their work.

Kent-Moore J-21777-86 Tool Pinion Setting Gauge Adapter Bearing Discs Set J3: A Comprehensive Analysis

The Kent-Moore J-21777-86 Tool Pinion Setting Gauge Adapter Bearing Discs Set J3 is a tool used in automotive repair and maintenance to set the pinion angle in a differential unit. In this analysis, we will discuss the pros and cons of purchasing this tool to help you make an informed decision.

1. Precision: The set provides accurate and reliable results, ensuring the correct pinion angle during installation or repair of a differential unit.

2. Versatility: The tool is compatible with various makes and models, making it a valuable addition to a professional mechanic's toolbox.

3. Durability: The components are made from high-quality materials, ensuring long-lasting use and resistance to wear and tear.

4. Time-saving: Using this tool can save time compared to manual methods, as it provides an accurate and consistent measurement for the pinion angle.

1. Cost: The tool may be considered expensive compared to manual methods or alternative solutions.

2. Complexity: Using the tool may require some level of expertise and experience, as improper usage could lead to incorrect pinion angle settings.

3. Storage: The tool takes up space in a toolbox and may not be suitable for home mechanics with limited storage capacity.

The Kent-Moore J-21777-86 Tool Pinion Setting Gauge Adapter Bearing Discs Set J3 is a valuable investment for professional mechanics due to its precision, versatility, and durability. While it may come with a higher cost and require some expertise to use, the time-saving benefits and consistent results make it a worthwhile addition to a professional toolbox. For home mechanics with limited storage capacity and budget, alternative methods or manual tools may be more suitable.

If you are a professional mechanic or work in an automotive repair shop, the Kent-Moore J-21777-86 Tool Pinion Setting Gauge Adapter Bearing Discs Set J3 is a recommended investment due to its precision, versatility, and durability. For home mechanics or those with limited budgets, alternative methods or manual tools may be more suitable options.

Details:

QTY 2 J-21777-86SCALE NOT INCLUDED J-21777-86.

part #: j2177786 prices

• $35.00-$135.00

specifications auhantoo:

• for models: J3
• brand: Kent-moore
• mpn: J-21777-86
• part type: Pinion Bearing Gauge Adapter
• country of origin: United States

seller auhantoo:

• # reviews: 230
• rating: 100.0%
• city: Rock Valley, Iowa

shipping auhantoo:

• class: Standard
• cost: $0.00
• type: Calculated
• service: USPS Ground Advantage
• carrier: USPS
• transit: 6-13 Days

payments auhantoo:

• credit card: Diners-club
• wallet: Google-pay
• other

general auhantoo:

• Automotive Tools Supplies > Hand Tools > Other Automotive Hand Tools
• condition: Used

returns auhantoo:

• time: 30 Days
• policy: Returns Accepted
• paid by: Seller

offer auhantoo:

• availability: In Stock
• quantity: 1
• options: Ship-to-home
• sold: 0
• started: October 30, 2025

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