Heavy Duty Round Table Lazy Susan Swivel Plate Dining Table Glass Bearing Lazy Susan Turntable Bearing for Restaurant
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| Customization: | Available |
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| Rolling Body: | Roller Bearings |
| The Number of Rows: | Single |
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Basic Info.
- Model NO.
- Heavy Duty Round Table Lazy Susan Swivel Plate Din
- Outer Dimension
- Medium and Large(120-190mm)
- Material
- Bearing Steel
- Spherical
- Aligning Bearings
- Load Direction
- Radial Bearing
- Separated
- Unseparated
- Vibration
- Zv1 Zv2 Zv3
- Hardness
- HRC60--62
- Cage
- Steel Nylon Brass
- Service
- OEM
- Grease
- Sheel Great Wall
- Precision
- P0 P6 P5
- Package
- Industry or Single Box
- Transport Package
- Industry or Single Box
- Specification
- Standard
- Trademark
- UJK
- Origin
- China
- HS Code
- 84821020
- Production Capacity
- 100000
Packaging & Delivery
- Package Size
- 50.00cm * 40.00cm * 25.00cm
- Package Gross Weight
- 20.000kg
Product Description
Lazy Susan Turntable Bearings: The Foundation of Smooth Rotation
Overview
A Lazy Susan Bearing, also known as a turntable bearing or rotary platform bearing, is a specialized type of bearing designed to enable smooth, low-friction rotation around a vertical axis for a horizontal platform. Unlike bearings designed for high-speed shafts, these are engineered to support substantial axial (thrust) loads and handle moderate moment (tilting) loads, making them the perfect solution for a vast range of rotational applications, from heavy industrial workstations to everyday household items.
Key Characteristics & Design Features:
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Axial Thrust Load Capacity: Their primary function is to support weight pressing directly downward onto the platform, such as a heavy microwave, a restaurant turntable full of food, or industrial components.
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Low-Friction Rotation: Utilizes either rolling elements (balls or rollers) or low-friction polymers to allow easy rotation with minimal effort.
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Compact, Integrated Design: Often comes as a complete, self-contained unit that is easy to install between two surfaces.
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Moment Load Resistance: Robust designs can handle off-center loads that create a tipping force, preventing the platform from binding.
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Variety of Sizes and Load Ratings: Available in small sizes for cabinetry (a few inches in diameter) to very large diameters (several feet) for industrial turntables.
Common Types of Lazy Susan Bearings:
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Ball Bearing Turntables: The most common type. Features a race of ball bearings contained between two steel rings. They offer an excellent balance of smooth operation, load capacity, and cost-effectiveness.
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Example Models: Often generic sizes like 4SB20 (4" diameter, 20-ball) or 12SB100 (12" diameter, 100-ball). Manufacturers may have proprietary codes.
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Roller Bearing Turntables: Use cylindrical rollers instead of balls. Ideal for very heavy loads and higher moment loads, as they provide greater stability and resistance to tipping. Common in heavy industrial applications.
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Slew(ing) Ring Bearings: Large-diameter, heavy-duty turntable bearings that can handle extreme combined loads (axial, radial, and moment). They often have internal gear teeth for motorized rotation.
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Example Models: 011.30.400 (a common model number format indicating inner/outer diameter and height specifications).
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Plain Bearing / Polymer Turntables: Use a low-friction polymer or bronze interface instead of rolling elements. Best for lighter-duty, low-speed applications where cost is a primary driver and ultimate smoothness is less critical.
Primary Applications:
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Household: Microwave ovens, kitchen cabinet storage trays, revolving snack trays, rotating bookshelves.
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Commercial: Restaurant serving turntables (a true "Lazy Susan"), display stands for merchandise, hotel buffet lines.
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Industrial: Assembly workstations (e.g., welding jigs), robotic rotary axes, packaging machinery, inspection tables, medical imaging equipment (e.g., CT scanner bases).
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Aerospace & Defense: Radar antenna platforms, gun turrets.
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