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AI Overview

Low-profile bearings are critical components for compact mechanisms and electronics, providing high-precision, low-friction motion in space-constrained environments. They are characterized by minimal cross-sections, with popular types including thin-section ball bearings (6700, 6800, 6900 series), miniature bearings, and thin-wall linear ball bearings.

Key Types and Applications

Thin-Section Ball Bearings (6800, 6900 Series): These bearings, such as the 688 (8x16x4mm) or 687-ZZ (7mm bore), are frequently used in small electric motors, 3D printers, and office automation equipment.
Thin Wall Linear Ball Bearings: The KHP line (e.g., KHP12) offers 12mm-50mm inner diameters (ID) with very low wall thickness, ideal for compact linear motion.
Miniature Ball Bearings (below 1.2" / 30mm): Used in robotics, cameras, and medical instruments.
Ultra-Low-Profile Rotary Table Bearings: These offer high load capacity with a very low height, often around 8mm.
Plastic/Plain Bearings: For maintenance-free, silent, and anti-dust operations in electronics.

Key Performance Features

Space Savings: Thin-section bearing designs (e.g., Kaydon Ultra-Slim®) allow for smaller, lighter, and more compact designs, with some cross-sections remaining constant across different shaft sizes.
Material Selection: Stainless steel is frequently used for corrosion resistance, while ceramic hybrids offer low-torque operation.
Sealing Options: Available in open, shielded (ZZ), or sealed (2RS) configurations to balance low-friction performance with protection against dust and moisture.
High Precision: These bearings often feature low-friction and smooth operation, with options for high-temperature resistance.

Common Industries

Robotics and automation
Medical devices
Cameras and inspection equipment
Aerospace and satellites
3D printing

688 Bearing 8×16×4mm - RHD Bearings
688 Deep Groove Ball Bearing 8×16×4mm | RHD Bearings. Eight millimeter bore that's infinite in capability despite its finite size.
RHD Bearings
Thin section ball bearings, metric bearings, roller bearings
Ultra-Slim® extra thin section bearings. Kaydon Ultra-Slim® extra thin bearings offer many possibilities where precise positioning...
Kaydon Bearings
Ultra-low-profile rotary table bearings - Design World
Aug 28, 2020 — Ultra-low-profile rotary table bearings * Excellent running properties. The super-precision balls move on highly accurate finished...
Design World

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Web results

68 Series Low-Profile Sealed Miniature Bearings | Slim Design

welinkbearing.com

https://www.welinkbearing.com › category › 68-series_...

welinkbearing.com

https://www.welinkbearing.com › category › 68-series_...

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The 6804-2RS is a Double Rubber-Sealed Extra-Thin Deep Groove Ball Bearing developed for compact assemblies requiring reliable protection against contaminants.Read more

Low-profile Bearings

McMaster-Carr

https://www.mcmaster.com › products › low-profile-bear...

McMaster-Carr

https://www.mcmaster.com › products › low-profile-bear...

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Choose from our selection of low-profile mounted ball bearings, ultra-thin ball bearings, needle-roller bearings, and more. Same and Next Day Delivery.

Missing: ~~Compact~~ ‎~~Electronics~~

Thin Section Bearings

Schaeffler Group USA Inc.

https://www.schaeffler.us › rolling_and_plain_bearings

Schaeffler Group USA Inc.

https://www.schaeffler.us › rolling_and_plain_bearings

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Thin-section bearings can be used to achieve extremely light and compact designs. Thin-section bearings are available as deep groove ball bearings, four ...Read more

Missing: ~~Electronics~~ ‎| Show results with: Electronics

Miniature Ball Bearings | Mini Ball Bearings Supplier

BRK Bearings

https://www.brkbearings.com › miniature-ball-bearings

BRK Bearings

https://www.brkbearings.com › miniature-ball-bearings

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Find miniature ball bearings at BRK Bearings. Ideal for compact applications, our mini ball bearings ensure smooth operation and precision performance.

Miniature & small ball bearings

ミネベアミツミ製品サイト

https://product.minebeamitsumi.com › ... › Bearings

ミネベアミツミ製品サイト

https://product.minebeamitsumi.com › ... › Bearings

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We produce and sell small size products with an outer diameter of 35 mm or less. It is a precision part used mainly for the part that receives the axis of the ...Read more

Missing: ~~Profile~~ ‎| Show results with: Profile

Ultra-Slim thin section bearings

SKF

https://www.skf.com › products › ultra-slim-thin-sectio...

SKF

https://www.skf.com › products › ultra-slim-thin-sectio...

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Features and benefits · Extremely thin cross section. In applications where space is limited, Ultra-Slim thin section bearings offer a very compact design.Read more

In stores nearby

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Tritan Sealed Bearings 608 2RS PRX