Needle roller bearings contain thin, long rollers (roller diameter D≤5mm, L/D≥2.5, where L is roller length), resulting in a radially compact structure. With the same bore size and load capacity as other bearing types, they have the smallest outer diameter, making them ideal for radially constrained support structures.
Depending on application, bearings without inner ring or needle roller and cage assemblies can be selected, where the mating shaft surface and housing bore surface serve directly as inner and outer rolling surfaces, requiring shaft and housing to match bearing ring hardness, precision, and surface quality. Types include drawn cup needle roller bearings, solid ring needle roller bearings, and combined needle roller bearings.
Very low cross-sectional height with substantial load capacity, primarily bearing radial loads, suitable for space-constrained compact structures. Drawn cup needle roller bearings, being thin-walled and lightweight, can accommodate higher rotational speeds.
Widely used in automobiles, motorcycles, household appliances, power tools, textile machinery, metallurgy, agricultural machinery, fitness equipment, construction machinery, robots, and various industrial drive mechanisms.
523 models in this category
| Model | Bore (mm) | OD (mm) | Height/Width (mm) | Price (Tax incl.) |
|---|---|---|---|---|
| LY-Z018 | 42.4 | 56.5 | 6.9 | ** |
| LY-Z03-3411211 | 32.5 | 59 | 6.5 | ** |
| GEEW30ES-2RS | 30 | 47 | 30 | ** |
| LY-Z028(P201-3411211) | 45 | 52 | 4.9 | ** |
| KK758784 | 80 | 83 | 84.3 | ** |
| LY-B76(B76-3411211/B76-3411212) | 53.5 | 70 | 6.5 | ** |
| NK55/35 | 55 | 68 | 35 | ** |
| 47686/47620 | 82.55 | 133.35 | 33.338 | ** |
| RNA6906A | 35 | 47 | 30 | ** |
| KR80 | 30 | 80 | 100 | ** |
| NAV4008 | 40 | 68 | 28 | ** |
| LY-ZXZC38 | 100 | 460 | 162.83 | ** |
| GE20ES-2RS | 20 | 35 | 16 | ** |
| K55*62*40ZW | 55 | 62 | 40 | ** |
| K62*70*20 | 62 | 70 | 20 | ** |
| KR72-PP | 24 | 72 | 29 | ** |
| NAV4006 | 30 | 55 | 25 | ** |
| E4074105 | 25 | 47 | 22 | ** |
| K304628 | 30 | 46 | 28 | ** |
| NA4908A | 40 | 62 | 22 | ** |
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