Chrome · Thrust Bearings

52305

Chrome Steel Thrust Ball Bearings

The 52305 designation defines the size and shape of this ball bearing. Materials, clearances and tolerances can be tailored to your application during quotation — the specifications below are the standard configuration.

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52305 - Thrust Bearings - ZGBK Bearings

Specifications — 52305

Bearing Dimensions

Outer Diameter (mm)52
Sealed / shielded versions (2RS, ZZ): width B may differ slightly depending on the seal type. Contact us for exact figures.

Design & Construction

SerieChrome Steel Thrust Ball Bearings
MaterialGCr15 / AISI 52100 Chrome Steel
Bearing typeBall bearing

Further Specifications

TypeThrust Ball Bearing
Inner Diameter (mm)25
Thickness (mm)34
MaterialChrome Steel (GCr15)
Load DirectionDouble Direction

Lubrication & Operating Temperature

  • Open version: oil lubrication recommended for maximum speed.
  • Sealed version (2RS): maintenance-free grease lubrication.
  • Standard greases typically limit continuous operation to about 120 °C; the GCr15 / 52100 chrome steel rings and cage typically permit continuous operation up to about <strong>150&nbsp;°C</strong> (stabilised grades higher).
  • Food-grade (H1) or high-temperature lubrication available on request — contact us.

Typical Applications

Electric motorsGearboxesPumps & compressorsAutomotiveConveyor & material handlingIndustrial machinery

Every batch is inspected for dimensional tolerance, noise and vibration levels before shipment.

About the 52305

The 52305 is a Thrust Bearings Chrome Steel bearing manufactured by ZGBK Bearings (Wuxi, China). Built from high-carbon chromium GCr15 / AISI 52100 chrome steel, it delivers high hardness (60–66 HRC), heavy radial and axial load capacity and long rolling-contact fatigue life for demanding industrial applications. Full specifications are listed below.

ZGBK manufactures the 52305 as part of the Chrome Steel Thrust Ball Bearings, using GCr15 / AISI 52100 Chrome Steel for high hardness, load capacity and long service life in general industrial duty. Every batch is inspected for dimensional tolerance, noise and vibration levels before shipment. As a direct factory in Wuxi, China, we support small-batch orders, custom dimensions and fast samples for qualified buyers.

Need 52305 — or a custom variant?

Direct from our Wuxi factory: small batches, custom dimensions, fast samples. Reply within 24 hours.