Tapered Roller Bearings

29587/29520 Chrome Steel 63.5*107.95*25.4mm Double Single Row Cone And Cup Tapered Roller Bearings 29587/29520 in Marine and Coastal Environments​ Featuring thicker chrome plating than 28985A/28920, these bearings offer superior corrosion resistance, withstanding prolonged saltwater exposure in large boat trailers and commercial watercraft. The 63.5mm inner diameter fits thicker marine shafts, while the 107.95mm outer diameter pairs with larger hub assemblies. A robust seal

28985A/28920 Chrome Steel 60.325*101.6*25.4mm Double Single Row Cone And Cup Tapered Roller Bearings 28985A/28920 in Marine and Coastal Environments​ Featuring thicker chrome plating than 28985/28920, these bearings offer superior corrosion resistance, withstanding prolonged saltwater exposure in large boat trailers and commercial watercraft. The 60.325mm inner diameter fits thicker marine shafts, while the 101.6mm outer diameter pairs with larger hub assemblies. A robust

32022 200722E 32022R Chrome Steel 110*170*38mm Single Row Cone and Cup Tapered Roller Bearings Built with GCr15/SAE 52100 high-carbon chrome steel—the gold standard for industrial bearings—these units undergo precision heat treatment to achieve HRC 58-62 hardness. This engineering delivers three key advantages for demanding environments: Abrasion Resistance: Outperforms low-carbon steel by 250-260% in dusty settings (e.g., construction sites, metal forging shops), resisting

32021 2007121E 32021R Chrome Steel 105*160*35mm Single Row Cone and Cup Tapered Roller Bearings Crafted from GCr15/SAE 52100 high-grade chrome steel—a material renowned for industrial bearing performance—these bearings undergo precision heat treatment to reach HRC 58-62 hardness. This process enhances three critical properties for heavy-duty use: Wear Resistance: Withstands abrasive particles in dusty environments (e.g., construction sites, factory floors) 245-255% better

32020 200720E 32020R Chrome Steel 100*150*32mm Single Row Cone and Cup Tapered Roller Bearings The 32020, 200720E, and 32020R tapered roller bearings are crafted from high-grade chrome steel (GCr15/SAE 52100), which undergoes precision heat treatment to achieve a hardness of HRC 58-62. Designed for space-constrained medium-to-heavy-duty scenarios with a compact footprint (100mm ID, 150mm OD, 32mm width), this material delivers exceptional wear resistance, impact tolerance,

30320 7320E 30320JR Chrome Steel 100*215*51mm Single Row Cone and Cup Tapered Roller Bearings The 30320, 7320E, and 30320JR 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 ultra-heavy-duty scenarios with a robust large footprint (100mm ID, 215mm OD, 51mm width), this material delivers exceptional wear resistance, impact tolerance, and basic corrosion

30319 7319E 30319JR Chrome Steel 95*200*49mm Single Row Cone and Cup Tapered Roller Bearings Equipped with a thickened stamped steel cage (34% thicker than standard mid-size bearings) and precision-machined tapered rollers (with rounded edges to reduce stress concentration), the 30319 series distributes loads evenly across raceways. This prevents localized stress on thin-walled components (e.g., large gearbox housings) and enhances structural stability even with slight shaft

30318 7318E 30318JR Chrome Steel 90*190*46mm Single Row Cone and Cup Tapered Roller Bearings The 30318, 7318E, and 30318JR 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 extra-heavy-duty scenarios with a robust large footprint (90mm ID, 190mm OD, 46mm width), this material delivers exceptional wear resistance, impact tolerance, and basic corrosion

30317 7317E 30317JR Chrome Steel 85*180*44mm 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-large size shaft and housing dimensions. The 85mm inner diameter (tolerance: -0.028/0.000mm) fits common shafts in industrial compressors (70-90kW), large power tools, and heavy-duty automotive drivetrain components, while the 180mm

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

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

30314 7314E 30314JR Chrome Steel 70*150*38mm Single Row Cone and Cup Tapered Roller Bearings The 30314, 7314E, and 30314JR tapered roller bearings are forged from high-grade chrome steel (GCr15/SAE 52100), which undergoes precision heat treatment to reach a hardness of HRC 58-62. Designed for medium-to-heavy-duty scenarios with a balanced mid-to-large footprint (70mm ID, 150mm OD, 38mm width), this material delivers exceptional wear resistance, impact tolerance, and basic

30313/YB2 7313EK 30313JR Chrome Steel 65*140*36mm Single Row Cone and Cup Tapered Roller Bearings Most 30313 series bearings come pre-lubricated with high-performance grease (matched to the bearing’s operating range—e.g., high-temperature grease for industrial ovens, low-temperature grease for cold-storage conveyors). This enables immediate installation and use upon delivery, eliminating on-site lubrication errors (a top cause of premature failure, such as over-greasing or

30313 7313E 30313JR Chrome Steel 65*140*36mm Single Row Cone and Cup Tapered Roller Bearings A core advantage of the 30313 series is its detachable inner cone (with rollers and cage) and outer cup—a hallmark of premium tapered roller bearings. This design simplifies installation in tight spaces: no specialized tools are needed to mount the 65mm shaft or secure the 140mm outer ring, allowing technicians to complete replacements in 38-48 minutes (vs. 85+ minutes for non

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

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

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

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

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

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