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Introduce 32209 7509E 32209JR Chrome Steel Single Row Cone and Cup Tapered Roller Bearings For You

Tapered Rolling Bearing
December 17, 2025
Category Connection: Tapered Roller Bearings
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#Tapered Rolling Bearing #Precision Tapered Roller Bearings #Single Row Tapered Roller Bearing
Brief: Explore what sets this solution apart in an easy-to-follow presentation. In this video, we showcase the 32209 7509E 32209JR Chrome Steel Single Row Tapered Roller Bearing, demonstrating its robust construction and ideal applications. You'll see how its compact 45x85x24.75mm design delivers exceptional performance in demanding industrial environments like power tools, small machinery, and mechanical drivetrains.
Related Product Features:
  • Manufactured from high-grade chrome steel (GCr15/SAE 52100) for superior material quality.
  • Precision heat treatment achieves a high hardness rating of HRC 58-62 for enhanced durability.
  • Compact dimensions (45mm ID, 85mm OD, 24.75mm width) enable use in space-constrained applications.
  • Provides exceptional wear resistance and impact tolerance for heavy-duty industrial scenarios.
  • Offers basic corrosion protection suitable for humid environments and minor chemical exposure.
  • Delivers up to 140-150% longer service life compared to standard low-carbon steel bearings.
  • Ideal for power tools, small gearboxes, electric motor shafts, and light-to-medium-duty drivetrains.
  • Compatible with numerous international bearing designations including 7509E and 32209JR.
Faqs:
  • What are the key dimensions of the 32209 tapered roller bearing?
    The bearing has an internal diameter of 45mm, an outside diameter of 85mm, and a width of 24.75mm, making it suitable for compact yet heavy-duty applications.
  • What material is used in these bearings and what are the benefits?
    These bearings are crafted from high-grade chrome steel (GCr15/SAE 52100) that undergoes precision heat treatment to achieve HRC 58-62 hardness, providing exceptional wear resistance, impact tolerance, and basic corrosion protection with up to 150% longer service life than low-carbon steel bearings.
  • What industrial applications are these tapered roller bearings suitable for?
    They are designed for compact heavy-duty scenarios including industrial power tools like heavy grinders and large drills, small machinery such as mini pumps and light-duty conveyors, and mechanical systems including small gearboxes, 4-8kW electric motor shafts, and light-to-medium-duty drivetrains.
  • What are the alternative part numbers for this bearing?
    This bearing is also known as 7509E, 32209JR, and has numerous international equivalents including 639213, CBK257(C102), 11590/11520, and many others listed in the product specifications.
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