KOYO bearings 2316
2316 This high-quality koyo Self-aligning ball bearings is designed for high load capacity and offers reliable performance in various applications.
Read MoreModel:2316
Dimensions(mm): 80x170x58mm
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Japan’s koyo bearing company produces tens of thousands of high-precision and high-quality Koyo bearing series products), providing information about aerospace technology, computer components, motors, high-speed trains, MRT trains, industrial machinery, CNC lathes, high-precision machining machines, automobile, locomotive industry, steel industry And other important components to make the best choice.
Of course. Here is a detailed parameter introduction for the KOYO 2316 bearing.
The KOYO 2316 is a self-aligning ball bearing with a straight cylindrical bore. It is designed to handle moderate radial loads and very high speeds while automatically compensating for initial shaft misalignment and deflection.
This bearing is fundamentally different from the larger 23156-series spherical roller bearings discussed previously. The "23" in this case is part of the basic designation for a specific self-aligning ball bearing size.
Here is a table of the key dimensions and specifications for the KOYO 2316 bearing:
Parameter | Value | Description |
---|---|---|
Bearing Type | Self-Aligning Ball Bearing | |
Shaft Diameter (d) | 80 mm | The inner diameter (bore) that fits onto the shaft. |
Outside Diameter (D) | 170 mm | The outer diameter of the bearing. |
Width (B) | 58 mm | The total width or thickness of the bearing. |
Dynamic Load Rating (C) | ~96 kN | The radial load the bearing can endure for a lifetime of 1 million revolutions. |
Static Load Rating (C₀) | ~30 kN | The maximum stationary radial load the bearing can handle without permanent deformation. |
Grease Limit Speed | ~5,300 rpm | Maximum rotational speed recommended for grease lubrication. |
Oil Limit Speed | ~6,700 rpm | Maximum rotational speed recommended for oil lubrication. |
Weight | ~3.3 kg | Approximate weight of the bearing. |
Note: Exact values for load ratings and limiting speeds can vary slightly. Always consult the latest official KOYO/JTEKT catalog for critical design calculations.
The base designation 2316 has no additional suffixes. This signifies a standard self-aligning ball bearing with the following default characteristics:
No suffix (Standard): The bearing has a straight cylindrical bore (not tapered).
Cage: It typically comes with a stamped steel cage (the most common and cost-effective option for this type of bearing).
Internal Design: It features the standard internal geometry for KOYO's 23-series self-aligning ball bearings.
Clearance: It is supplied with standard CN radial internal clearance (Normal clearance group for general applications).
Self-Alignment: The spherical raceway in the outer ring allows the inner ring and ball set to pivot, automatically compensating for static misalignment (typically up to 2-3 degrees) caused by mounting errors or shaft deflection. This is its most critical feature.
High-Speed Performance: The ball-based design generates less friction and heat than roller bearings, making it ideal for high-speed applications.
Low Friction and Low Heat Generation: Results in higher energy efficiency.
Robust Operation: Reliable performance even in applications where perfect alignment is difficult to achieve and maintain.
Self-aligning ball bearings are used in applications where misalignment is a problem and operational speeds are high, but loads are relatively moderate.
Electric Motors (especially larger industrial motors)
Ventilation Fans and Blowers
Textile Machinery
Material Handling Equipment (conveyors)
Drive Shafts
Pumps
Machinery where misalignment from thermal expansion is expected
It's crucial to distinguish the 2316 from other bearings with similar numbers.
Feature | 2316 (Self-Aligning Ball Bearing) | 23156RHA (Spherical Roller Bearing) | 2315K (Self-Aligning Ball with Sleeve) |
---|---|---|---|
Rolling Element | Balls | Barrel-Shaped Rollers | Balls |
Load Capacity | Moderate radial loads | Very High radial loads | Moderate radial loads |
Speed Capability | Very High (~5,300 rpm) | Low (~850 rpm) | High (~5,000 rpm) |
Primary Feature | Self-Alignment + High Speed | Self-Alignment + High Load | Self-Alignment + Adapter Sleeve Mounting |
Bore Type | Straight Bore | Tapered Bore | Tapered Bore |
Shaft Requirement | Requires a ground shaft with tight tolerances | Requires an adapter sleeve or withdrawal sleeve | Requires a straight shaft for the adapter sleeve |
Shaft Fit: Since it has a straight bore, the shaft must be machined to a precise tolerance (typically a k5 or k6 interference fit for the inner ring) to ensure it is held securely.
Housing Fit: The outer ring should have a looser fit in the housing (typically H7) to allow for the self-aligning capability and easy axial movement.
Lubrication: Can be lubricated with grease or oil. The choice depends on the operating speed and temperature.
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