1218 K Bearing

1.Product Introduction: The model of self-aligning ball bearings (1218K), with an inner diameter of 90mm and a tapered hole (1:12), featuring a thick-wall design, suitable for medium-sized heavy-duty equipment.
2.Structure Type: Inner ring (with tapered hole 1:12) + outer ring (with thick-wall spherical raceway) + single-row steel balls + steel cage (impact-resistant), open type.
3.Size Range: Inner diameter: 90mm (tapered hole 1:12), outer diameter: 160mm, width: 30mm.
4.Material: Inner ring / outer ring: GCr15, rolling elements (steel balls): GCr15, cage: steel (impact-resistant).
5.Accuracy: Conventional P0 grade, heavy-duty precision models are of P6 grade.
6.Application Fields: Medium-sized motors (15kW), construction machinery (loaders), port light-duty cranes, large fans (10kW).
7.Key Inspection Items: Surface roughness of the tapered hole (Ra ≤ 0.8μm), self-aligning angle, strength of the outer ring (compressive strength ≥ 800MPa).

Product Description

1218 K Bearing: Heavy-Duty Performance for Demanding Industrial Applications

When your machinery faces extreme loads, high temperatures, or constant impacts, the 1218 K bearing delivers unmatched reliability. Designed with a robust tapered hole (1:12) and thick-wall construction, this self-aligning ball bearing excels in steel mills, mining equipment, and heavy-duty motors. With 30+ years of metallurgical bearing expertise, LUOYANG INNO ensures your operations get precision-engineered solutions that withstand high heat, dynamic loads, and relentless industrial stress.

Technical Specifications

Parameter Standard 1218 K Bearing Customizable Options
Inner Diameter 90mm (tapered 1:12) 50mm - 5000mm custom bearing sizing
Dynamic Load Capacity 300kN Up to 850kN heavy-duty bearing capacity
Material & Noise GCr15 Bearing Steel; <35dB (P4 Precision) Stainless/HT Ceramic Coated ball bearings; Customized for silent ops
Lead Time 48 Hours (Standard) 15 Days (φ3000mm+ custom bearings)

Key Advantages

  • Extreme Environment Ready: Operates seamlessly from -50℃ to +150℃ and handles shock loads up to 420kN static capacity in heavy bearings.
  • Custom-Built Flexibility: Choose steel cages for impact resistance or ceramic hybrids for corrosion protection in self-aligning ball bearings.
  • Speed Without Compromise: Rapid delivery for standard sizes and 70% faster custom production vs. industry averages for large bearings.

Where 1218 K Bearings Power Productivity

  • Steel & Metallurgy: Ladle turret bearings surviving 500℃ furnace heat and rolling mill roll necks handling 25-ton slabs.
  • Mining & Heavy Machinery: Conveyor systems enduring ore impacts and crusher bearings with high shock resistance.
  • Precision Engineering: Medical robotics requiring P4-grade accuracy and wind turbine pitch control ball bearings with low runout.

Quality Assurance & Customization

Our vacuum-degassed steel undergoes triple-phase hardening, creating bearings 40% tougher than standard models. We offer smart customization including IoT sensors, multi-layered seals, and hybrid ceramic bearing balls, all backed by rigorous 500-hour lifespan simulations.

FAQs

Q: Can you create oversized products for our φ4200mm mining crushers?
A: Yes! Our modular production system delivers φ5000mm custom bearings in 15-20 days.

Q: How do your bearings handle port machinery's saltwater corrosion?
A: Our 1218K-CR series uses marine-grade stainless steel and triple-lip seals, proven in 150+ global port bearing installations.

Q: What if we need urgent replacements during plant shutdowns?
A: Our Priority Stock Program guarantees 48-hour delivery for 1,000+ standard models, including emergency large-scale bearings.

Contact Us

Ready to Upgrade Your Bearing Performance?

Contact our engineering team to request same-day shipping, custom extreme-temperature designs, IoT integration specs, or material certifications within 4 hours.

📩 Contact Our Engineers Today

Online Message

Learn about our latest products and discounts through SMS or email