Product Specifications
| Parameter |
Details |
| Model NO. |
K16X21X10, K16X22X12, K16X22X13 |
| 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 |
3-7 days |
| Service |
OEM, ODM |
| Transport Package |
Carton, Pallet |
| Specification |
16*21*10MM |
| Origin |
China |
| HS Code |
8482102000 |
| Production Capacity |
1,000,000 units |
Application Industries
| Industry |
Typical Equipment |
| Industrial Machinery |
Machine Tools, Printing Equipment, Gearboxes |
| Automotive |
Transmission Systems, Steering Components, Drivetrains |
| Agricultural Machinery |
Harvesters, Tractors, Tillage Equipment |
| Manufacturing |
Conveyor Systems, Compressors, Pumps |
| New Energy |
Wind Turbines, Solar Panel Adjustment Mechanisms |
Prevent Equipment Downtime with Precision Needle Roller Bearings K16X21X10, K16X22X12, K16X22X13
Machine operators know the frustration of unexpected downtime—especially when it’s caused by bearing failure. In industrial settings, a single seized bearing can halt production lines, delay orders, and create cascading maintenance costs. Many buyers struggle with sourcing reliable needle roller bearings that balance precision, durability, and quick delivery—especially for non-standard applications requiring P0-P4 precision grades.
Engineered for Industrial Reliability: Needle Roller Bearings You Can Trust
Our Needle Roller Bearings K16X21X10, K16X22X12, and K16X22X13 are designed to address these challenges. As an integrated manufacturer with ISO9001 and ISO14001 certifications, we ensure each bearing meets strict quality control standards. The radial design, constructed from high-grade bearing steel, delivers exceptional load capacity for compact industrial machinery—from machine tool spindles to conveyor systems. With 1pc MOQ for standard items and 3-7 days delivery, we eliminate the need for large inventory stockpiles, making emergency replacements or small-batch orders feasible.
Optimal Performance in Demanding Industrial Environments
These needle roller bearings excel in applications where space is limited but load requirements are high. The “without inner/outer ring” design allows direct integration with machine shafts and housings, reducing weight and improving assembly efficiency. Whether operating in high-speed rotary equipment or handling radial loads in printing presses, their closed-type construction minimizes contamination risks, while compatibility with both grease and oil lubrication ensures adaptability to diverse operating conditions. For industrial machinery makers prioritizing durability and technical matching, this combination of design flexibility and material strength is critical.
Precision and Clearance: Key Parameters for Longevity
Two technical specifications directly impact bearing performance: precision rating and internal clearance. Our P0-P4 precision grades ensure tight dimensional tolerance—vital for high-speed applications like CNC machine tool spindles, where even minor runout can compromise accuracy. The C0, C3, and C4 clearance options allow customization based on operating temperature and load: C3 clearance suits applications with thermal expansion, while C0 provides standard tightness for general industrial use. By selecting the right precision and clearance, you optimize bearing lifespan, reduce vibration, and lower maintenance frequency—directly impacting your equipment’s total operating efficiency.
Why Cutting Corners on Bearings Costs More in the Long Run
Low-quality needle roller bearings often fail prematurely due to substandard steel and poor manufacturing tolerances. A single failure in a critical machine component can cost thousands in repair labor, replacement parts, and lost production. Our bearings, backed by a 12-month global warranty, undergo rigorous testing in our in-house QC lab to ensure consistent performance. We also offer free technical guidance to help you select the correct bearing—avoiding costly选型 mistakes. When you factor in longer service life, reduced downtime, and reliable supply, investing in quality bearings lowers your total cost of ownership.
Our Commitment to Your Production Continuity
With over 18 years of experience serving global buyers across Europe, America, and Southeast Asia, we’ve built a reputation for reliability. Our full R&D capabilities support OEM/ODM customization, ensuring we meet unique application requirements. Every order benefits from: free samples (buyer covers freight), flexible payment options (T/T, credit card, Alibaba trade), and defect replacement/refund policies. Our 1,000,000-unit production capacity guarantees stable supply, even for large-scale projects. When you partner with us, you gain more than a supplier—you gain a long-term bearing expert invested in your operational success.
Packaging & Shipping
- Carton and pallet packaging for secure transportation
- 3-7 days delivery time for standard orders
- Flexible shipping options: DHL, FedEx, UPS, air freight, and sea freight
- Real-time logistics tracking provided for all shipments
- 1pc minimum order quantity, ideal for emergency repairs and small-batch needs
Keep Your Machinery Running—Order Today
Don’t let bearing issues disrupt your production schedule. Whether you need K16X21X10, K16X22X12, K16X22X13, or custom-designed needle roller bearings, we can fulfill your requirements quickly. Send us your bearing model, application details, and quantity, and our team will provide a tailored quote within 24 hours. The sooner you order, the sooner you can restore peace of mind to your operations.
Frequently Asked Questions
Q: Are these needle roller bearings genuine and traceable?
A: Yes, we are an integrated manufacturer with full quality control processes. Each bearing is produced in our ISO-certified facility and can be traced through our production records.
Q: How do I confirm if the K16X21X10/K16X22X12/K16X22X13 is compatible with my equipment?
A: Provide your equipment model, operating speed, load conditions, and required precision grade. Our technical team will verify compatibility and recommend the optimal bearing configuration.
Q: What is your warranty policy for these bearings?
A: We offer a 12-month global warranty covering manufacturing defects. If a bearing fails under normal operating conditions, we provide free replacement or refund.
Q: What is the minimum order quantity for standard bearings?
A: We accept 1pc minimum orders for standard items, supporting both emergency repairs and small-scale
Tags:
Bearing Steel Needle Roller Bearing
Industrial Machinery Needle Bearing
K16X21X10 Bearing
K16X22X12 Bearing
K16X22X13 Bearing
needle roller bearing
P0-P4 Precision Bearing
Radial Needle Bearing
