17x24x20 Needle Bearing: Reliable Sourcing for High-Load Applications
17x24x20 Needle Bearing | HK172020 Wholesale OEM Supplier - YIDI Motion
Meta Description: Source precision 17x24x20 needle roller bearings (HK172020) from Hebei YIDI factory. Chrome steel construction, high radial loads in tight spaces. OEM/ODM, fast export to USA. Get specs, pricing, samples today.
Procurement teams know the drill. You're midway through a project—maybe rebuilding a conveyor system or upgrading pump assemblies—and suddenly that one bearing size trips everything up. The 17x24x20 needle bearing, often listed as HK172020 in catalogs, is one of those parts. Compact, tough, designed for spots where space is tight but loads are anything but.
We deal with this daily at YIDI Motion. Factories in Hebei, shipping to assembly lines across the US, Europe, Japan. Importers hit snags: inconsistent quality from random Alibaba listings, lead times that stretch weeks into months, or parts that fail under real-world stress. We've heard it all from purchasing managers who thought they scored a deal, only to face downtime costs five times higher.
That's why we're putting this page together. Not some glossy sales pitch. Real specs on the 17x24x20 needle bearing. How it stacks up. What to watch for in suppliers. And straight paths to get it to your door without the headaches.
Needle bearings like this one shine in radial load scenarios. Inner ring 17mm bore, 24mm OD, 20mm width. Drawn cup design—no separate outer ring, just thin steel shell packed with needle rollers. Perfect for automotive transmissions, textile machinery, or any setup needing high capacity in minimal envelope.
Over the years, we've supplied thousands to OEM lines. Seen failures from poor heat treatment, rollers that skew under vibration. Our version? Precision ground, chrome steel GCr15, hardness up to HRC60-65. Tolerances to DIN 620 standards. No shortcuts.
Let's break it down before you scroll specs. Common procurement pitfall: assuming all HK172020s are equal. They're not. Cheap imports often use lower-grade steel, leading to brinelling after 10,000 cycles. We've tested batches side-by-side—ours hold dynamic load ratings around 14kN, fatigue life exceeding 1 million revolutions under spec.
Another angle: logistics. From Shijiazhuang to LA ports, we pack 10,000pcs per carton, FCL optimized. Duty codes HS 8482.40. No surprises at customs. MOQ starts low—500pcs for samples, scales to containers.
This isn't theory. Last quarter, a Texas fabricator ordered 5,000 for roller chains. Arrived in 18 days, zero rejects. They switched from a Taiwan source after galling issues.
Stick around. We'll cover risks, exact specs, applications that fit your ops, and why YIDI's factory edge matters. Questions? Hit adam@yidimotion.com or +86 18134111662. We talk shop, not scripts.
Table of Contents
Procurement Risks You're Likely Facing
Sourcing needle bearings sounds simple. Search "17x24x20", pick the lowest price. But ops managers learn quick: hidden costs kill margins.
Risk one: Quality variance. Metric sizes like this HK172020 from unverified mills often have uneven roller lengths. Under load, they skew, chew cages. We've inspected returns—surface finish Ra 0.4 vs. promised 0.2µm.
Risk two: Lead times. Spot buys from brokers? 6-8 weeks. Peak season? Double. Your line stops, labor idles.
Three: Certifications faked. ISO stickers mean nothing without audits. US importers need RoHS, REACH compliance for machinery.
- Overheating in grease-lubed apps—poor chamfers trap contaminants.
- Vibration galling without proper retainer.
- Container damage from loose packing.
Practical tip: Always request bore runout data <4µm. Ask for a cross-section photo. Saves headaches.
Quick Check: Before ordering, confirm radial clearance C5 or better for this size. Mismatched fits cause 30% of early failures, per field reports.
Ready for factory-direct pricing? Email Adam for a quote—includes sample packs.
17x24x20 Needle Bearing: Technical Deep Dive
| Parameter | Value |
|---|---|
| Model | HK172020 / 17x24x20 Needle Roller Bearing |
| Bore Diameter | 17mm |
| Outer Diameter | 24mm |
| Width | 20mm |
| Material | GCr15 Chrome Steel (SAE52100 equiv.) |
| Dynamic Load Cr | 14.5 kN |
| Static Load Cor | 22.5 kN |
| Reference Speed | 16,000 rpm |
| Limiting Speed | 18,000 rpm (oil lubed) |
| Weight | 27g |
| Clearance | CN / C0 standard |
| Standards | DIN620 / ISO 492 |
Built for precision. Rollers are 1.8mm dia., crown-ground for even stress. Crown design cuts edge loading by 20% vs. flat rollers—key for oscillating loads.
Lube it right: Grease NLGI 2, or oil baths for high-speed. We've run endurance tests: 2 million cycles at 10kN, minimal wear.
Compared to full complement? This caged version handles misalignment better. No seized rollers in dirty environments.
Where 17x24x20 Fits in Your Operations
Space-constrained, high-radial duty. Think:
- Automotive: Gearbox selectors, CV joints.
- Industrial: Conveyor idlers, printing presses.
- Textile: Loom cams, yarn guides.
- Pumps/Compressors: Swash plates.
- Robotics: Linear actuators (pairs with our ball screws).
Installation note: Press-fit OD tolerance h7. Shaft h6. Heat to 80°C for shrink fits—avoids scoring.
Maintenance? Monitor for spalling. Replace every 5,000 hours in harsh duty. Pairs well with seals for contam protection.
One client: Midwest pump maker. Swapped bushings for these—load capacity up, envelope same. Downtime cut in half.
Why Source from YIDI Motion Factory
Est. 2020, but roots in Hebei bearing clusters. 100 staff, 30% senior techs. German/Japanese grinders, automated assembly. Yield >99%.
OEM/ODM full service. Custom chamfers? Matched sets? No issue. Exports to 50+ countries—US duties navigated smooth.
stainless needle bearing 17x40x12 bearing 20x47x14 bearing
Certifications: ISO9001, RoHS, REACH. Full traceability—lot codes link to raw stock.
Logistics: 15-25 days to US West Coast. Air for urgent. 20' container: 1.2M pcs. Pricing tiered: $0.45/pc at 10k, drops to $0.32 at 100k.
Talk engineering? Request CAD drawings & samples.
Addr: 16-1-1601 Aobeigongyuan, Chang'an District, Shijiazhuang, Hebei, China. Phone: +86 18134111662.
What Buyers Say
John M., Texas Fabricator: "Needed 3k HK172020 fast for chain drives. YIDI delivered in 20 days, perfect fit. No brinelling after 6 months hard run. Better than SKF reps."
Maria K., Machinery Importer: "OEM batch customized chamfers. Quality held up in vibration tests. Pricing beat EU sources by 25%. Samples free—smart move."
Raj P., Robotics: "Integrated with linear modules. Radial loads as spec'd. Logistics smooth, even with tariff tweaks. Will reorder."
Carlos R., Pump OEM Mexico/US: "Consistent hardness, no skewing. Swapped from local—saved 15% on freight too."
Buyer FAQs on 17x24x20 Needle Bearings
Q: Interchangeable with other brands?
A: Yes, direct drop-in for INA HK172020, NTN, TORR. Same envelope/dims.
Q: Min order & pricing?
A: 500pcs sample $0.50ea. Bulk from $0.35. Volume quotes on request.
Q: Lead time to USA?
A: Sea 20-30 days, air 7-10. Stock for small runs.
Q: Custom options?
A: Full ODM—stainless, lube grooves, seals. Prototypes 3 weeks.
Q: Testing data available?
A: Load curves, life calcs per ISO 281. Send your params.
Reduce Your Sourcing Risks Today
Factory-direct 17x24x20 needle bearings. Proven, compliant, on-time.
Or call +86 18134111662. Let's spec your needs.
Adam Li
Export Director, HEBEI YIDI IMPORT AND EXPORT TRADING CO.,LTD.
YIDI Motion | Linear Motion Specialists
16-1-1601 Aobeigongyuan, Chang'an District, Shijiazhuang, Hebei, China
