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30222 7222E 30222JR Chrome Steel 110*200*41mm Single Row Cone and Cup Tapered Roller Bearings
30222 7222E 30222JR Chrome Steel 110*200*41mm Single Row Cone and Cup Tapered Roller Bearings The 30222, 7222E, and 30222JR tapered roller bearings are constructed from premium chrome steel, which undergoes precision heat treatment to reach a hardness of HRC 58-62. This material delivers exceptional wear resistance, strong impact resistance, and reliable corrosion protection—allowing the bearings to perform stably in harsh operating environments, such as high-temperature
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30302 7302E 30302JR Chrome Steel 15*42*14mm Single Row Cone and Cup Tapered Roller Bearings
30302 7302E 30302JR Chrome Steel 15*42*14mm Single Row Cone and Cup Tapered Roller Bearings The single row cone-and-cup design simplifies installation in compact spaces—no specialized tools are needed to align the 15mm shaft with the bearing’s inner ring or secure the 42mm outer ring into small housings. Technicians or even DIY users can complete replacement in 10-15 minutes (vs. 30+ minutes for complex multi-row bearings), reducing labor costs for small equipment repairs (e
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30240 7240E 30240JR Chrome Steel 200*360*64mm Single Row Cone and Cup Tapered Roller Bearings
30240 7240E 30240JR Chrome Steel 200*360*64mm Single Row Cone and Cup Tapered Roller Bearings Optimized for high-torque systems, the 30240 series can manage torques up to 6500 N·m—ideal for industrial gearboxes (mining crushers, steel mill drives), heavy-duty truck transmissions, and construction machinery drive shafts. The tapered roller design distributes torque evenly across contact surfaces, preventing localized stress that leads to premature wear in standard bearings.
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30238 7238E 30238JR Chrome Steel 190*340*60mm Single Row Cone and Cup Tapered Roller Bearings
30238 7238E 30238JR Chrome Steel 190*340*60mm Single Row Cone and Cup Tapered Roller Bearings The 30238, 7238E, and 30238JR tapered roller bearings are forged from high-grade chrome steel, which undergoes precision heat treatment to achieve a hardness of HRC 58-62—ensuring exceptional wear resistance, impact tolerance, and corrosion protection. This robust material allows the bearings to thrive in harsh environments, including high-temperature industrial workshops (up to 185
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30236 7236E 30236JR Chrome Steel 180*320*57mm Single Row Cone and Cup Tapered Roller Bearings
30236 7236E 30236JR Chrome Steel 180*320*57mm Single Row Cone and Cup Tapered Roller Bearings With a torque capacity optimized for high-load power systems, the 30236 series excels in applications like industrial gearboxes for crushers, heavy-duty truck transmissions, and construction machinery drive shafts. The tapered roller design distributes torque evenly across contact surfaces, avoiding localized stress that causes premature wear in standard bearings. This capability
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30234 7234E 30234JR Chrome Steel 170*310*57mm Single Row Cone and Cup Tapered Roller Bearings
30234 7234E 30234JR Chrome Steel 170*310*57mm Single Row Cone and Cup Tapered Roller Bearings Engineered in strict compliance with international standards (e.g., ISO 355, DIN 720), these single row cone-and-cup bearings feature exact dimensions: 170mm inner diameter (ID), 310mm outer diameter (OD), and 57mm width. Critical dimensions are controlled within a tolerance of ±0.005mm using advanced CNC machining and laser calibration technology, eliminating compatibility issues
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30304 7304E 30304JR Chrome Steel 20*52*16mm Single Row Cone and Cup Tapered Roller Bearings
30304 7304E 30304JR Chrome Steel 20*52*16mm Single Row Cone and Cup Tapered Roller Bearings With a reference speed of 12,000 RPM and a maximum limit of 14,000 RPM , the 30304 series outperforms most compact tapered roller bearings of similar size. Grease-lubricated variants reach up to 8,300 RPM, while oil-lubricated models hit 11,000 RPM —perfect for high-speed applications like mini fans or precision robotics joints. The tapered design distributes centrifugal force evenly,
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30303 7303E 30303JR Chrome Steel 17*47*15mm Single Row Cone and Cup Tapered Roller Bearings
30303 7303E 30303JR Chrome Steel 17*47*15mm Single Row Cone and Cup Tapered Roller Bearings The 30303, 7303E, and 30303JR tapered roller bearings are forged from high-grade chrome steel (SAE-52100), which undergoes precision heat treatment to achieve a hardness of HRC 58-62 . Despite their compact footprint (17mm ID, 47mm OD, 15mm width), this material delivers exceptional wear resistance, impact tolerance, and corrosion protection. Unlike standard low-carbon steel bearings,
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30307 7307E 30307JR Chrome Steel 35*80*22mm Single Row Cone and Cup Tapered Roller Bearings
30307 7307E 30307JR Chrome Steel 35*80*22mm Single Row Cone and Cup Tapered Roller Bearings The 30307, 7307E, and 30307JR tapered roller bearings are crafted from high-grade chrome steel (GCr15/SAE 52100), which undergoes precision heat treatment to reach a hardness of HRC 58-62. Despite their balanced mid-size dimensions (35mm ID, 80mm OD, 22mm width), this material delivers exceptional wear resistance, impact tolerance, and corrosion protection—outperforming low-carbon
