Product Specifications
| Parameter |
Details |
| Model NO. |
21319 |
| Precision Rating |
P0, P6, P5, P4, P2 |
| Clearance |
C0, C3, C4 |
| Feature |
Long Life, High Speed, Low Noise |
| Rolling Body |
Roller Bearings |
| The Number of Rows |
Double |
| Material |
Bearing Steel |
| Spherical |
Aligning Bearings |
| Load Direction |
Radial Bearing |
| Separated |
Unseparated |
| Specification |
95x200x45mm |
| Origin |
China |
| HS Code |
8482300000 |
Application Industries
| Industry |
Typical Equipment |
| Heavy Machinery |
Excavators, Loaders, Crushers |
| Industrial Machinery |
Rolling Mills, Conveyors, Gearboxes |
| Agricultural Machinery |
Harvesters, Tractors |
| Construction |
Bulldozers, Concrete Mixers |
Minimize Downtime with Spherical Roller Bearing 21319 CKE4 for Heavy Load Applications
Heavy machinery operators know the cost of unexpected downtime—hours of lost production, expensive repairs, and missed deadlines. When bearings fail prematurely in critical equipment like excavators or crushers, the impact ripples through operations. Many face the challenge of sourcing reliable high load bearings with flexible order options, especially when urgent replacements are needed.
High Load Capacity Spherical Roller Bearing Ready for Immediate Shipment
Our Spherical Roller Bearing 21319 CKE4 is engineered to address these pain points. With a 95x200x45mm dimension and double-row roller design, it delivers exceptional radial load capacity ideal for heavy machinery. Backed by rich stock availability, we offer 1pc MOQ for standard items, ensuring you get the exact quantity you need without overstocking. Whether for scheduled maintenance or emergency repairs, our 3–5 day sample lead time and 5–15 day bulk delivery keep your operations running.
Engineered for Demanding Heavy Machinery Environments
This Spherical Roller Bearing 21319 CKE4 thrives in harsh conditions where heavy loads and misalignment are common. As an aligning bearing, it compensates for shaft deflection and mounting errors, reducing stress on machinery components. The bearing steel construction ensures durability, while its low noise operation supports a quieter work environment. Whether in mining crushers, agricultural harvesters, or construction equipment, it maintains performance under continuous heavy load and variable speed conditions.
Key Technical Features That Ensure Reliable Performance
Precision and clearance are critical for bearing longevity. This 21319 CKE4 bearing offers precision ratings from P0 to P2, allowing you to match the exact tolerance requirements of your equipment—P4 and P2 grades for high-precision applications like CNC machine tools, and P0 for general industrial use. Clearance options (C0, C3, C4) let you optimize for thermal expansion and load conditions; C3 and C4 clearances are ideal for high-temperature environments or applications with heavy shock loads. The unseparated design simplifies installation, while the double-row rollers distribute load evenly, extending service life.
Why Authentic Bearings Matter for Total Cost of Ownership
Choosing genuine bearings over counterfeit alternatives directly impacts your bottom line. Counterfeit bearings often fail prematurely due to substandard materials and poor manufacturing, leading to unplanned downtime and costly repairs. In contrast, our bearings undergo rigorous quality control in compliance with ISO9001 standards, ensuring consistent performance. A 12-month global warranty covers manufacturing defects, and our defect replacement policy means you’re protected against unforeseen issues. The initial investment in authentic bearings reduces long-term costs by minimizing maintenance, extending equipment life, and avoiding production losses.
Your Trusted Partner for Bearing Solutions Since 2005
Jinan Saifan Bearing has served global buyers across Europe, America, Southeast Asia, and the Middle East since 2005. Our integrated manufacturing and exporting capabilities mean we control every step from R&D to delivery. With a full QC lab and ISO14001 certification, we ensure environmental and quality standards are met. Our technical team provides free guidance to help you select the right bearing for your application, and flexible payment options (T/T, credit card, Alibaba trade) simplify transactions. We’ve built our reputation on stable supply, competitive pricing, and long-term partnerships—over 15 years of experience supporting industries that rely on reliable rotation.
Packaging & Shipping
- Secure carton pallet packaging to prevent damage during transit
- 3–5 day sample lead time for urgent evaluation
- 5–15 day bulk delivery via sea or air freight
- Real-time logistics tracking provided for all shipments
- 1pc MOQ for standard items, supporting small-batch and emergency orders
Get Your Spherical Roller Bearing 21319 CKE4 Today
Don’t let equipment downtime disrupt your operations. Whether you need a single replacement bearing or bulk order for your fleet, we’re ready to fulfill your request. Send us your bearing model, application details, and quantity, and our team will provide a quote within 24 hours. With rich stock and fast shipping, we help you minimize downtime and keep your machinery running at peak performance.
Frequently Asked Questions
Q: Is this bearing authentic and traceable?
A: Yes, we manufacture bearings in-house under strict quality controls and supply authentic NSK/INA bearings. All products are traceable through our ISO9001-certified quality management system.
Q: How can I confirm if this bearing fits my equipment?
A: Provide your equipment model or technical specifications (load, speed, operating temperature), and our technical team will verify compatibility and offer free选型 guidance.
Q: What warranty coverage do you offer?
A: We provide a 12-month global warranty covering manufacturing defects. Defective products will be replaced or refunded at no additional cost.
Q: What is the minimum order quantity?
A: We accept 1pc MOQ for standard items, making it easy to order emergency replacements or small batches.
Q: How quickly can I receive my order?
A: Samples ship within 3–5 days, and bulk orders are delivered in 5–15 days via sea or air freight. We’ll provide a tracking number once shipped.
Q: How do you ensure bearing quality before shipment?
A: All bearings undergo inspection in our QC lab, including dimension checks, noise testing, and load capacity verification, before leaving our facility.
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