Ensure smooth, reliable rotation in your industrial machinery with the Needle Roller Bearing K15X21X15 BDL—a stainless steel radial solution built to minimize downtime and maximize performance. Crafted for precision (available in P0-P4 grades) and durability, this 15x21x15mm bearing handles radial loads with ease, even in demanding conditions where standard bearings falter.
| Parameter | Details |
|---|---|
| Model NO. | K15X21X15 |
| Load Direction | Radial Bearing |
| Style | Without Outer Ring, Without Inner Ring |
| Material | Bearing Steel |
| Type | Closed |
| Product Name | Needle Roller Bearing |
| Lubrication | Grease or Oil |
| Precision Rating | P0 P6 P5 P4 P2 |
| Clearance | C0 C3 C4 |
| Delivery Time | 3-7days |
| Service | OEM ODM |
| Carton Pallet | |
| Specification | 15*21*15 mm |
| Trademark | BDL |
| Origin | China |
| HS Code | 8482102000 |
| Production Capacity | 1000000 |
| Industry | Typical Equipment |
|---|---|
| Industrial Machinery | Machine Tools, Printing Equipment, Reducers |
| Automotive | Transmission Systems, Steering Mechanisms |
| Agricultural Machinery | Harvesters, Tractors, Tillage Equipment |
| Home Appliances | Washing Machines, Refrigeration Compressors |
| New Energy | Wind Turbine Components, Solar Tracking Systems |
Industrial machinery operators know the frustration of unexpected production halts caused by bearing failures. When a radial bearing underperforms, it leads to increased vibration, excessive noise, and ultimately costly downtime. Many struggle with sourcing reliable bearings that balance precision, durability, and quick delivery—especially for specialized applications requiring exact dimensions like 15x21x15mm.
The K15X21X15 Needle Roller Bearing addresses these challenges with its robust design and manufacturing consistency. As an integrated bearing manufacturer with ISO9001 certification, we ensure each unit meets strict quality standards, from raw material selection to final inspection. This radial bearing, designed without inner and outer rings, offers space-saving advantages for compact machinery, making it ideal for gearboxes, machine tool spindles, and conveyor systems where installation space is limited.
This Stainless Steel Radial Bearing excels in applications requiring high radial load capacity within a small footprint. Its closed-type design provides effective contamination protection, extending service life in environments with dust or moderate moisture. Whether operating in high-speed rotational scenarios or handling steady loads, the K15X21X15 Bearing maintains stability, reducing maintenance intervals and improving overall equipment efficiency. Proper lubrication with grease or oil further enhances its performance, adapting to diverse operational requirements.
The precision rating options (P0-P4) allow customization based on application needs—P4 for high-precision machinery like CNC lathes, where minimal runout is critical, and P0 for general industrial use. Clearance grades (C0, C3, C4) ensure proper fit under different temperature and load conditions: C3 and C4 clearances accommodate thermal expansion in high-temperature environments, while C0 suits standard operating conditions. The bearing steel construction delivers excellent wear resistance, ensuring consistent performance even under heavy cyclic loads, a essential characteristic for industrial machinery bearings.
Choosing low-quality bearings may seem cost-effective initially, but the hidden expenses add up. Premature failures lead to unplanned maintenance, production delays, and potential damage to adjacent components. Our BDL Needle Bearing, backed by a 12-month global warranty, minimizes these risks. Each unit undergoes rigorous quality control, ensuring dimensional accuracy and material integrity. By investing in a reliable 15x21x15mm Radial Bearing, you reduce total cost of ownership through extended service life and fewer replacements.
With over 18 years of experience serving global buyers, we understand the importance of reliable supply. Our 100,000+ monthly production capacity ensures consistent availability, while flexible ordering—including 1pc MOQ for standard items—supports both emergency repairs and bulk requirements. We provide free technical guidance to help you select the right bearing for your application, and our defect replacement policy offers peace of mind. Our ISO14001 certification also reflects our commitment to sustainable manufacturing practices, aligning with global environmental standards.
Don’t let bearing issues slow down your production. The sooner you replace worn components with our precision K15X21X15 Needle Roller Bearing, the faster you can restore optimal machinery performance. Request a quote today with your required quantity and application details—our team will respond within 24 hours to help you get back on track.
Q: Is this a genuine BDL Needle Roller Bearing?
A: Yes, all our products are manufactured under the BDL trademark with full traceability. We provide certification of origin and compliance with quality standards upon request.
Q: How do I confirm if the K15X21X15 Bearing fits my equipment?
A: Provide your machinery model or technical drawings, and our engineering team will verify compatibility based on load, speed, and dimensional requirements.
Q: What is the warranty policy for this bearing?
A: We offer 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 for the K15X21X15 Bearing?
A: The minimum order quantity is 1 piece for standard items, supporting both small-scale repairs and large-volume purchases.
Q: How quickly can you ship the bearing after order placement?
A: Standard orders ship within 3-7 days. For urgent requirements, contact our sales team to discuss expedited options.
Q: How can I verify the authenticity of the bearing upon receipt?
A: Each bearing features the BDL trademark and model number laser marking. We also provide batch test reports and packaging with anti-tamper seals for verification.
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High-grade chrome steel, raw material QC, full-process monitoring, ISO/ABMA/DIN compliance.
Samples in 3-5 days, bulk orders 5-15 days. Free samples for distributors (freight collect).
P0-P4 precision grades, Z2-Z3-Z4 noise levels. Custom drawings welcome.
Professional technical guidance and failure solutions from our R&D team.
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