SKF bearings by designation · Itemized written quotes for mixed project lists
State the exact execution (designation suffix), whether you need the complete assembly, and which housings or mounting accessories belong on the same line. Keep precision items separate, with accuracy class and arrangement.
Technical data
Listed data for this SKF designation; confirm the execution and dimensions against your drawing or application before ordering.
| Parameter | Details |
|---|---|
| Model Number | NK29/20 |
| Bearing Type | Needle Roller Bearing |
| Bore Diameter (d) | 29 mm |
| Outside Diameter (D) | 38 mm |
| Width (B) | 20 mm |
| Load Direction | Radial Bearing |
| Style | Without Outer Ring, Without Inner Ring |
| Material | Bearing Steel |
| Lubrication | Grease or Oil |
| Precision Rating | P0, P6, P5, P4, P2 |
| Clearance | C0, C3, C4 |
| Trademark | SKF |
| Origin | Sweden |
| HS Code | 8482102000 |
| Package Size | 5.80cm × 5.80cm × 4.00cm |
| Package Gross Weight | 0.060 kg |
| Industry | Typical Applications |
|---|---|
| Industrial Machinery | Conveyors, gearboxes, hydraulic pumps, machine tool spindles |
Industrial machinery operators often face challenges with bearing failures due to imprecise dimensions or low-quality materials. When critical equipment like conveyors or gearboxes break down, the downtime can disrupt production schedules and increase maintenance costs. Finding a precision needle roller bearing that matches exact specifications while ensuring authenticity is another common hurdle in procurement.
The SKF NK29/20 needle roller bearing addresses these pain points with its 29x38x20mm dimensions and P0-P2 precision ratings, ensuring compatibility with demanding industrial machinery. As a specialized supplier with direct access to global distribution networks, we maintain a large inventory of conventional models, supporting same-day shipping for spot goods. This bearing’s closed design and bearing steel construction make it suitable for radial load applications in environments where reliability is non-negotiable, such as steel mills and mining equipment.
This needle roller bearing excels in applications with high radial loads and moderate speeds, typical in industrial machinery like hydraulic motors and conveyor systems. Its design without inner and outer rings allows for space-saving installations, making it ideal for compact equipment layouts. The bearing operates effectively with either grease or oil lubrication, adapting to diverse maintenance protocols. When operating within temperature ranges common to industrial settings, its material composition ensures consistent performance without premature wear.
The SKF NK29/20’s precision rating (P0-P2) directly impacts its suitability for critical applications. Higher precision grades (P4, P2) reduce rotational runout, minimizing vibration in high-speed equipment like machine tool spindles. The bearing steel material provides excellent surface hardness, enhancing wear resistance under heavy loads. Clearance options (C0, C3, C4) allow customization for thermal expansion conditions—C3 or C4 clearances are recommended for applications with temperature fluctuations to prevent seizure. The radial load capacity ensures stable operation in conveyor rollers and gearbox assemblies, where consistent performance directly affects production efficiency.
Choosing the correct needle roller bearing like the SKF NK29/20 minimizes hidden costs associated with equipment failure. Inferior bearings with imprecise dimensions can cause misalignment, leading to increased energy consumption and premature wear of adjacent components. In contrast, this bearing’s P0-P2 precision ensures proper fit, reducing friction and extending service life. By meeting original equipment specifications, it eliminates the need for costly modifications during installation. Over time, the reliability of authentic SKF bearings lowers maintenance frequency and downtime, delivering better long-term value than cheaper alternatives.
Our procurement process strictly adheres to quality management systems, ensuring all products are sourced from official channels with complete traceability. Each bearing undergoes dimensional and hardness testing to meet industry standards, and we provide original factory certificates and batch inspection reports for verification. With a global delivery network, we ensure stable door-to-door arrival within 7-15 days to most regions. We stand behind the quality of our products with a manufacturer’s warranty, covering manufacturing defects for peace of mind.
Whether you need a single SKF NK29/20 bearing or bulk quantities for industrial machinery, we can provide competitive pricing and fast delivery. Contact us with your specific requirements, including quantity and delivery location, and our technical team will assist with选型 guidance and availability checks. The sooner you confirm your order, the sooner we can arrange shipment to keep your operations running smoothly.
Q: Do you supply other bearing brands or models?
A: Yes, we offer a full range of bearings from international brands including NSK, NTN, Koyo, and NACHI, as well as domestic Chinese brands. We can source specific models based on your requirements.
Q: How can I confirm if this bearing fits my equipment?
A: Provide your equipment model or existing bearing dimensions (d x D x B), and our technical team will cross-verify compatibility with the SKF NK29/20 specifications.
Q: What is your warranty policy for bearings?
A: We provide the original manufacturer’s warranty, which covers manufacturing defects. Warranty terms vary by product and are specified in the order documentation.
Q: What is the minimum order quantity for this bearing?
A: We support low minimum order quantities, including single-unit purchases, to accommodate both maintenance needs and large-scale production requirements.
Q: How long does shipping take to [my location]?
A: Standard delivery is 7-15 days to most countries via our global logistics network. Express shipping options are available for urgent orders.
Q: Can you provide custom packaging or labeling?
A: Yes, we offer customized packaging and label printing services according to customer requirements for bulk orders.
Ready to order or need a quote?
Send the bearing model, dimensions (d x D x B), and quantity — we'll get back to you with pricing and lead time.
Project buyers
"We submitted a long SKF list for a new project, mixing ball, roller, needle and thrust bearings. This supplier came back with itemized pricing, lead times and alternatives for two long-lead references. We could plan the procurement timeline without surprises."
Daniel KimKim Engineering Project · South Korea"When our project timeline shifted and we needed to split the delivery into three batches, the supplier worked with us on the schedule. Each batch arrived complete and on the agreed date. No holding costs, no rush shipping fees."
Mohammed Al-AminAl-Amin Contracting · Saudi ArabiaSame series
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Typical equipment and duty conditions this SKF bearing type is specified for.
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Read the selection guideFAQ
Send the selected SKF model, quantity per line, accuracy requirement, mounting accessories, destination country and postcode, and the date you need the goods. Confirm the exact execution and whether you need the complete assembly. With that, Project Purchasing Company returns a written itemized quote.
List precision bearings on separate lines with their accuracy class and arrangement or configuration. Keeping them apart from standard bearings prevents wrong pricing and wrong shipments on mixed project lists.
Yes. Send a photo of the nameplate or bearing markings, and we list the information that still needs confirming. Any technical change or alternative model is clearly marked and requires your approval.
Yes. Shipping method and delivery schedule are confirmed before dispatch, so batches can follow your installation timeline. On receipt, check labels, quantity and condition; any mismatch is handled with your order number and photos.
Request a quote
Project Purchasing Company quotes every line by SKF model, with price and currency, stock, estimated lead time, validity and freight or tax terms. Add related bearings and accessories to the same request.
