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30306 7306E 30306JR Chrome Steel 30*72*20mm Single Row Cone and Cup Tapered Roller Bearings
30306 7306E 30306JR Chrome Steel 30*72*20mm Single Row Cone and Cup Tapered Roller Bearings The 30306, 7306E, and 30306JR tapered roller bearings are forged from high-grade chrome steel (GCr15/SAE 52100), which undergoes precision heat treatment to achieve a hardness of HRC 58-62. Though sized for space-constrained systems (30mm ID, 72mm OD, 20mm width), this material delivers exceptional wear resistance, impact tolerance, and corrosion protection—outperforming low-carbon
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30305 7305E 30305JR Chrome Steel 25*62*18mm Single Row Cone and Cup Tapered Roller Bearings
30305 7305E 30305JR Chrome Steel 25*62*18mm Single Row Cone and Cup Tapered Roller Bearings Most 30305 series bearings come pre-lubricated with high-performance grease (selected for the bearing’s operating range), ensuring immediate installation and use upon delivery. This eliminates on-site lubrication errors (a top cause of premature bearing failure, such as over-greasing or using incompatible lubricants) and saves time during emergency repairs or high-volume equipment
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30312 7312E 30312JR Chrome Steel 60*130*33mm Single Row Cone and Cup Tapered Roller Bearings
30312 7312E 30312JR Chrome Steel 60*130*33mm Single Row Cone and Cup Tapered Roller Bearings Engineered to strict international standards (ISO 355, DIN 720) with P6-level precision, these single row cone-and-cup bearings align with standard mid-size shaft and housing dimensions. The 60mm inner diameter (tolerance: -0.021/0.000mm) fits common shafts in industrial compressors, large power tools, and automotive drivetrain components, while the 130mm outer diameter and 33mm width
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30311 7311E 30311JR Chrome Steel 55*120*31mm Single Row Cone and Cup Tapered Roller Bearings
30311 7311E 30311JR Chrome Steel 55*120*31mm Single Row Cone and Cup Tapered Roller Bearings The 30311, 7311E, and 30311JR tapered roller bearings are forged from high-grade chrome steel (GCr15/SAE 52100), which undergoes precision heat treatment to achieve a hardness of HRC 58-62. Engineered for robust medium-duty performance while maintaining a balanced footprint (55mm ID, 120mm OD, 31.5mm width), this material delivers exceptional wear resistance, impact tolerance, and
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30310 7310E 30310JR Chrome Steel 50*110*29mm Single Row Cone and Cup Tapered Roller Bearings
30310 7310E 30310JR Chrome Steel 50*110*29mm Single Row Cone and Cup Tapered Roller Bearings Engineered to international standards (ISO 355, DIN 720) with P6-level precision, these single row cone-and-cup bearings align with standard mid-size shaft and housing dimensions. The 50mm inner diameter (tolerance: -0.018/0.000mm) fits common shafts in industrial compressors, heavy power tools, and automotive drivetrain components, while the 110mm outer diameter and 29mm width ensure
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30309 7309E 30309JR Chrome Steel 45*100*27mm Single Row Cone and Cup Tapered Roller Bearings
30309 7309E 30309JR Chrome Steel 45*100*27mm Single Row Cone and Cup Tapered Roller Bearings The 30309, 7309E, and 30309JR tapered roller bearings are forged from high-grade chrome steel (GCr15/SAE 52100), which undergoes precision heat treatment to achieve a hardness of HRC 58-62. Engineered for robust mid-size load demands while maintaining a compact footprint (45mm ID, 100mm OD, 27mm width), this material delivers exceptional wear resistance, impact tolerance, and
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30308 7308E 30308JR Chrome Steel 40*90*25mm Single Row Cone and Cup Tapered Roller Bearings
30308 7308E 30308JR Chrome Steel 40*90*25mm Single Row Cone and Cup Tapered Roller Bearings Meeting ISO 9001 quality certification and aligning with dimensional standards from SKF, NTN, and Timken , the 30308, 7308E, and 30308JR bearings are compatible with equipment from global brands (e.g., Bosch power tools, Grundfos pumps, Toyota automotive parts). This eliminates compatibility risks when replacing worn bearings in imported or domestic machinery—no modifications to shafts
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30316 7316E 30316JR Chrome Steel 80*170*42mm Single Row Cone and Cup Tapered Roller Bearings
30316 7316E 30316JR Chrome Steel 80*170*42mm Single Row Cone and Cup Tapered Roller Bearings The 30316, 7316E, and 30316JR tapered roller bearings are forged from high-grade chrome steel (GCr15/SAE 52100), which undergoes precision heat treatment to achieve a hardness of HRC 58-62. Designed for heavy-duty scenarios with a robust mid-large footprint (80mm ID, 170mm OD, 42mm width), this material delivers exceptional wear resistance, impact tolerance, and basic corrosion
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30315 7315E 30315JR Chrome Steel 75*160*40mm Single Row Cone and Cup Tapered Roller Bearings
30315 7315E 30315JR Chrome Steel 75*160*40mm Single Row Cone and Cup Tapered Roller Bearings The 30315, 7315E, and 30315JR tapered roller bearings are forged from high-grade chrome steel (GCr15/SAE 52100), which undergoes precision heat treatment to achieve a hardness of HRC 58-62. Designed for medium-to-heavy-duty scenarios with a robust mid-large footprint (75mm ID, 160mm OD, 40mm width), this material delivers exceptional wear resistance, impact tolerance, and basic
