Standard plates often lack sufficient rigidity; continuous vibration during bearing operation can lead to plate deformation and a loss of coaxial alignment over time, resulting in abnormal noise and accelerated wear. Many products also suffer from poor hole-position accuracy, making it difficult to align bearing outer races or bolt holes during assembly and requiring time-consuming on-site grinding and adjustments. Furthermore, plates with inadequate surface treatment are prone to rusting in humid or dusty environments, which further compromises the stability of the transmission assembly. These general-purpose bearing plates serve as structural supports that secure bearings and position housings, ensuring the coaxial alignment of transmission components; they are widely used in small conveyor systems, packaging machinery, automation tooling, agricultural machinery parts, and various custom transmission devices.
Typically manufactured via laser cutting and bending of steel plate, these bearing plates feature a simple, robust design with center holes and mounting holes pre-configured to match specific bearing models. Their primary function is to support the bearing, stably transferring radial forces generated during operation to the machine frame while maintaining the bearing's fixed position to prevent operational misalignment. Assembly is straightforward: the bearing is secured within the plate's center hole, and the entire plate is fastened to the equipment frame using the pre-drilled peripheral bolt holes. The structure allows for easy disassembly; when it comes time to inspect or replace bearings, there is no need to dismantle the main equipment body, resulting in significant maintenance time savings-a tangible advantage for assembly-line equipment.
Selecting the right material for bearing plates requires considerable expertise. Material requirements vary widely depending on the operating environment, and there is no single "universal material" suitable for every scenario.
The HT200 to HT300 series of gray cast iron represents our highest-volume product category. Cast iron offers excellent vibration-damping properties and relatively controllable costs, making it an ideal choice for most general industrial equipment. If your equipment operates in a stable environment without extreme loads, cast iron bearing plates are a reliable, high-performance solution. Ductile iron (QT400-15) serves as an upgraded version of standard cast iron, offering superior strength and toughness-making it ideal for applications requiring higher reliability. Cast steel (ZG230-450) and Q235B/Q355B steel plates offer broader application versatility and are frequently used in components such as gearboxes and transmission equipment.
Regarding machining precision, we place special emphasis on controlling hole position tolerances. The central bearing bore and peripheral mounting holes are machined using a single-setup positioning process to minimize positional deviation; this allows customers to proceed directly to assembly without the need for secondary hole adjustments. Certain models support multi-bearing configurations, enabling the simultaneous installation of two bearing sets to meet dual-shaft transmission requirements. During the design phase, we optimize for stress distribution and deburr plate edges to prevent assembly-related injuries to operators, while also reducing stress concentration points to lower the risk of plate cracking under prolonged vibration.
We maintain ready stock of standard specifications, covering mounting plates compatible with commonly used bearing sizes. We also offer non-standard customization; by providing drawings or bearing model numbers, customers can specify adjustments to the plate shape, thickness, and hole layout to suit unique equipment projects; We ensure stable production scheduling for orders of all sizes, whether for high-volume OEM supply or smaller replenishment batches for parts distributors. Every batch undergoes dimensional spot checks prior to shipment to ensure strict tolerance control and minimize assembly issues at the customer's site.
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