Track Roller Bearings LFR5200KDD LFR5200NPP Double Row U Groove Bearing LFR5200-8-2Z LFR 5200-8-KDD
The LFR5200 series track roller bearings (including core models LFR5200KDD and LFR5200NPP) are specialized for high-precision industrial guide and transmission scenarios, featuring a U-groove structure for stable matching with standard guide rails. Crafted from high-quality bearing steel, they undergo precision heat treatment and raceway superfinishing, delivering excellent wear resistance, impact resistance, and low-friction rolling performance. The LFR5200KDD model adopts double-sided metal seals (ZZ) for high-temperature resistance, while LFR5200NPP is equipped with double-sided rubber seals (2RS) for dustproof and waterproof protection, adapting to diverse working environments. Customizable dimensions, groove profiles, and seal structures are supported to meet personalized equipment needs, making them ideal for medium-to-heavy load precision guide mechanisms.
Automated production line guide systems, precision packaging machinery transmission components, textile machinery guide rollers, printing equipment positioning mechanisms, engineering machinery auxiliary guide parts, warehouse automation conveying devices, and medium-heavy load material handling systems
LFR5200 Series Track Roller Bearings (interchangeable with bearings matching "LFR5200 series + U-groove structure + corresponding seal type + size" specifications, including brand equivalents from SKF, INA, and NTN for industrial precision guide systems)
| Parameter Item | Details |
|---|---|
| Product Model | LFR5200 Series Track Roller Bearing (LFR5200KDD/LFR5200NPP) |
| Type | U-Groove Precision Track Roller Bearing |
| Core Models | LFR5200KDD (double-sided metal seal), LFR5200NPP (double-sided rubber seal) |
| Material | High-Quality Bearing Steel |
| Seal Type | LFR5200KDD: ZZ (metal seal, high-temperature resistant); LFR5200NPP: 2RS (rubber seal, dustproof/waterproof) |
| Structural Feature | U-groove design, precision-ground raceways, dual seal options |
| Model | Seal Type | d (mm) | D (mm) | C (mm) | B (mm) | A (mm) | r (min.) | Cr (Dynamic, kN) | Cor (Static, kN) | Ball Numbers | Mass (g) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| LFR5201KDD | ZZ | 10 | 35 | 15.9 | 15.9 | 20.065 | 0.3 | 8.5 | 5.1 | 18 | 80 |
| LFR5201NPP | 2RS | 10 | 35 | 15.9 | 15.9 | 20.065 | 0.3 | 8.5 | 5.1 | 18 | 80 |
| LFR5202NPP | 2RS | 12 | 45 | 15.9 | 15.9 | 26.5 | 0.3 | 9.7 | 6.1 | 20 | 100 |
| LFR5201-12KDD | ZZ | 12 | 35 | 15.9 | 15.9 | 21.75 | 0.3 | 8.4 | 5 | 18 | 85 |
| LFR5201-14NPP | 2RS | 14 | 40 | 18 | 20 | 24 | 0.3 | 9.8 | 5 | 18 | 95 |
| LFR5204-16KDD | ZZ | 16 | 52 | 20.6 | 20.6 | 31.5 | 0.6 | 16.8 | 9.5 | 16 | 230 |
| LFR5204-16NPP | 2RS | 16 | 52 | 20.6 | 20.6 | 31.5 | 0.6 | 16.8 | 9.5 | 16 | 230 |
| LFR5206-20KDD | ZZ | 20 | 52 | 23.8 | 23.8 | 41 | 0.6 | 29.5 | 16.6 | 18 | 250 |
| LFR5206-20NPP | 2RS | 20 | 57 | 23.8 | 23.8 | 41 | 0.6 | 29.5 | 16.6 | 18 | 250 |
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Q: What is the difference between LFR5200KDD and LFR5200NPP bearings?
A: LFR5200KDD has double-sided metal seals (ZZ) for high-temperature resistance (up to 200℃), while LFR5200NPP has double-sided rubber seals (2RS) for dustproof and waterproof performance, suitable for different working environments.
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Q: Which guide rail types are compatible with LFR5200 series bearings?
A: They are designed with a U-groove structure to match standard industrial guide rails; customized groove dimensions are available for non-standard guide rail adaptation.
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Q: Can LFR5200 series bearings be customized for special load requirements?
A: Yes, we can adjust material thickness, raceway design, and load-bearing structure to meet special medium-to-heavy load needs, along with customized dimensions.
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