Hard Needle Roller Bearings K25X33X24–K32X35X20, High-Precision, Low-Friction
Basic Info
| Inner Diameter | 25 mm |
| Outer Diameter | 33 mm |
| Thickness | 24 mm |
| Type | Needle Roller Bearing, Closed, Radial |
| Material | Bearing Steel |
| Lubrication | Grease or Oil |
Introduction
High-precision needle roller bearing (K25X33X24) without inner/outer rings, designed for radial loads. Made of premium bearing steel, sealed and lubricated with grease or oil. Available in precision grades P0–P2 and clearances C0–C4. Fast delivery (3–7 days), OEM/ODM supported.
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Warranty 1 year
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Description
Key Specifications & Advantages of Hard Needle Roller Bearings
| Description | Core Value |
|---|---|
| Ultra-compact design (e.g., K25×33×24 mm) | Maximizes space efficiency in tight assemblies — ideal for automotive transmissions & compact gearboxes |
| Radial load-only, high-load capacity | Supports heavy radial forces with minimal deflection — perfect for industrial actuators and pumps |
| Bearing steel (GCr15) construction | Superior hardness & fatigue resistance — extends service life 30%+ vs. standard carbon steel |
| No inner/outer ring design | Reduces weight & inertia; enables direct mounting on hardened shafts or housings |
| Closed-type sealed structure | Prevents contamination & retains lubricant — zero maintenance required in sealed environments |
| P0–P2 precision grades available | Ensures smooth, low-noise operation in high-speed applications (up to 12,000 rpm) |
| C0/C3/C4 clearance options | Enables thermal expansion compensation — critical for engine-mounted & high-temp machinery |
| Grease or oil lubrication compatible | Flexible integration into existing OEM lubrication systems — no re-engineering needed |
| ISO/TS 16949 certified production (1M units/year) | Consistent batch-to-batch quality — backed by 100% dimensional & hardness testing |
| BDL-branded, China-manufactured (HS 8482102000) | Cost-effective alternative to SKF HK/NK series — same specs, 25% lower TCO |
Engineered for reliability where space, weight, and load density matter most — these needle roller bearings deliver SKF-grade performance at competitive pricing. Used across automotive CVTs, textile looms, robotics joints, and agricultural hydraulics. All units undergo 100% vibration & noise screening. FAQ: Q: Can they replace SKF HK2524? A: Yes — identical dimensions & load ratings. Q: Are custom clearances available? A: Yes — C3/C4 shipped within 3 days. Q: What’s the max operating temp? A: 120°C continuous (with lithium grease). Ready to request samples or volume pricing? Contact us today — our technical team responds within 2 hours.
