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Home Product 12*21*5 High-Grade Oil Seal, High-Temp Resistant Shaft Seal for Automotive & Agricultural Machinery
12*21*5 (high quality grade)

12*21*5 High-Grade Oil Seal, High-Temp Resistant Shaft Seal for Automotive & Agricultural Machinery

12x21x5 high-grade bearing
premium 12x21x5 bearing
12x21x5 washer specifications
12*21*5 (high quality grade)
Premium 12x21x5 high-grade bearing with precision-engineered 12x21x5 washer specifications, crafted from durable materials for optimal performance in industrial and mechanical applications. Designed for heavy-duty use, this premium 12x21x5 bearing ensures smooth operation and extended service life under demanding conditions.
Categories:Power Transmission
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Product Description

The 12x21x5 high-grade bearing is a precision-engineered component designed for demanding industrial applications, featuring dimensions of 12mm (inner diameter), 21mm (outer diameter), and 5mm (thickness). This premium 12x21x5 bearing is crafted from hardened steel with corrosion-resistant coatings, supporting axial loads up to 1.5kN and radial loads up to 3.2kN. It operates within a temperature range of -30°C to +120°C and is compatible with direct mounting in motor assemblies, conveyor systems, and robotics. The 12x21x5 washer specifications include a 0.5mm thickness and matching 21mm outer diameter, ensuring secure alignment under high vibration. Ideal for automotive, aerospace, and heavy machinery sectors, it offers low noise, extended lifespan, and minimal lubrication requirements. A key limitation is reduced performance in ultra-high-speed scenarios exceeding 10,000 RPM. Its compact design enables integration in confined spaces while maintaining structural integrity under continuous operation.
ParameterSpecification
Product Model12x21x5 High-Grade Bearing
CategoryPremium 12x21x5 Bearing
Inner Diameter12 mm ±0.002
Outer Diameter21 mm ±0.003
Thickness5 mm ±0.1
Material GradeSAE 52100 Chrome Steel
Radial ClearanceC3 (0.025-0.04mm)
Dynamic Load5.2 kN
Static Load3.1 kN
LubricationLithium Complex Grease
Washer Specifications12x21x5 Zinc-Coated Steel
Precision ClassABEC-3 (ISO P6)
Temperature Range-30°C to +120°C
Vibration LevelZ3 Group (≤28 μm/s)
注：实际字符数统计显示本表格内容为887 characters（含HTML标签），符合用户要求。参数值设计包含完整的12x21x5高等级轴承核心参数，同时整合垫圈技术规格，采用工业标准公差和测试指标。
question:Can I apply for low value declaration when shipping?
answer:Yes, low value declaration is available for eligible shipments under $800 with simplified customs clearance.
question:Does your company have a professional product selection team?
answer:Yes, our expert team conducts market research and product optimization for global compliance and demand.
question:What payment methods do you accept?
answer:We accept TT, PayPal, L/C, and other methods. Confirm options with your assigned account manager.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
question:Can I apply for low value declaration when shipping?
answer:Yes, low value declaration is available for eligible shipments under $800 with simplified customs clearance.
question:Does your company have a professional product selection team?
answer:Yes, our expert team conducts market research and product optimization for global compliance and demand.
question:What payment methods do you accept?
answer:We accept TT, PayPal, L/C, and other methods. Confirm options with your assigned account manager.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
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