航空轴承 DW4K | 单列·双列·精密·滚子

这条产品线下的系列

点击下面任意系列查看型号。具体型号、尺寸、替代参考号，发图纸或型号给我们。

Single-Row Standard ⌄

SBO · RBO series

型号	d × D × B (mm)
DPP3FS464	0.19×0.78×0.495参考品牌 DPP3FS464
DPP4FS428	0.25×0.9×0.62参考品牌 DPP4FS428
DPP4FS464	0.25×0.9×0.62参考品牌 DPP4FS464
DPP4WFS464	0.25×0.9×0.62参考品牌 DPP4WFS464
DPP5FS428	0.31×1.25×0.745参考品牌 DPP5FS428
DPP5FS464	0.31×1.25×0.745参考品牌 DPP5FS464
DPP6FS428	0.38×1.44×0.87参考品牌 DPP6FS428
DPP6FS464	0.38×1.44×0.87参考品牌 DPP6FS464

85 models in this series · 询价 →

General airframe control applications. Spherical bore or flat bore, sealed or open. Compatible with 参考品牌 A- series references.

Single-Row Precision ⌄

ABEC-5+ · P5+

型号	d × D × B (mm)
DPP3FS464	0.19×0.78×0.495参考品牌 DPP3FS464
DPP4FS428	0.25×0.9×0.62参考品牌 DPP4FS428
DPP4FS464	0.25×0.9×0.62参考品牌 DPP4FS464
DPP4WFS464	0.25×0.9×0.62参考品牌 DPP4WFS464
DPP5FS428	0.31×1.25×0.745参考品牌 DPP5FS428
DPP5FS464	0.31×1.25×0.745参考品牌 DPP5FS464
DPP6FS428	0.38×1.44×0.87参考品牌 DPP6FS428
DPP6FS464	0.38×1.44×0.87参考品牌 DPP6FS464

24 models in this series · 询价 →

High-precision controls, instruments and antenna mechanisms. Tighter tolerances on raceway geometry and runout.

Double-Row Standard ⌄

DW series · includes DW4K

型号	d × D × B (mm)
DW4	6.35×19.05×22.225
DW4K	6.35×19.05×22.225
DW4K2	6.35×15.875×14.275
DW5	8.001×22.225×23.813
DW6	9.525×26.988×30.163
DW8	12.7×36.513×38.1
KP3	4.826×19.66×7.544
KP3A	4.826×15.875×7.544

38 models in this series · 询价 →

Heavier-load control applications. DW4K is the flagship double-row standard type — the most-searched aircraft control bearing. Two rows of balls in back-to-back arrangement handle combined loads in both directions.

Double-Row Precision ⌄

ABEC-5+ · DW series precision grade

型号	d × D × B (mm)
GDW4K2FS428	0.25×0.63×0.562参考品牌 GDW4K2FS428
GDW4KFS428	0.25×0.75×0.875参考品牌 GDW4KFS428
GDW4KFS464	0.25×0.75×0.875参考品牌 GDW4KFS464
GDW5FS428	0.31×0.88×0.938参考品牌 GDW5FS428
GDW6FS428	0.38×1.06×1.188参考品牌 GDW6FS428
GDW6FS464	0.38×1.06×1.188参考品牌 GDW6FS464
MDW4K2FS428	0.25×0.63×0.562参考品牌 MDW4K2FS428
MDW4K2FS464	0.25×0.63×0.562参考品牌 MDW4K2FS464

11 models in this series · 询价 →

Precision version of the DW double-row type. For critical flight control systems where runout and play must be minimized.

Roller Bearings ⌄

Cylindrical · Tapered · Needle

型号	d × D × B (mm)
KP10AFS428	0.63×1.38×0.406参考品牌 KP10AFS428
KP10AFS464	0.63×1.38×0.406参考品牌 KP10AFS464
KP12AA2365	0.75×1.63×0.437参考品牌 KP12AA2365
KP12AFS428	0.75×1.63×0.437参考品牌 KP12AFS428
KP12AFS464	0.75×1.63×0.437参考品牌 KP12AFS464
KP16AFS428	1×2×0.5参考品牌 KP16AFS428
KP16AFS464	1×2×0.5参考品牌 KP16AFS464
KP20AFS428	1.25×2.25×0.5参考品牌 KP20AFS428

111 models in this series · 询价 →

Landing gear, track and high-shock-load applications where point contact of ball bearings is insufficient. Roller contact handles heavier radial loads.

Radials (6 sub-categories)⌄

Full 参考品牌-compatible range

Six radial bearing sub-categories covering the full 参考品牌 airframe catalog: thin-section, groove, instrument, miniature, stainless and special-duty. We declare compatible references — not authorized.

型号	d × D × B (mm)
200KTT	0.39×1.18×0.656参考品牌 200KTT
36KLL	0.24×0.75×0.562参考品牌 36KLL
38KLL2	0.32×0.87×0.497参考品牌 38KLL2
38KTD	0.32×0.87×0.406参考品牌 38KTD
38KTT	0.32×0.87×0.5625参考品牌 38KTT
39K4	0.38×1.02×0.315参考品牌 39K4
39KDD4	0.38×1.02×0.315参考品牌 39KDD4
7201K	0.47×1.26×0.3937参考品牌 7201K

24 models in this series · 询价 →

DW4K explained

DW4K is NLHB's designation for the double-row standard aircraft control bearing — the most commonly sourced type. It belongs to the DW series (double-row standard), not a separate category. When you see "DW4K" in an 参考品牌 or competitor catalog, it maps to our Double-Row Standard series. DW4K2, DW4KX and similar suffixes are precision or variant grades within the same series.

参考品牌 is a trademark of 参考品牌 Bearings Incorporated. References shown for compatibility only — not authorized or affiliated.

可选配置（询价时确认）

Precision: ABEC-5+ available
Material: Vacuum-degassed steel
Sourcing: Compatible references declared, not authorized

具体配置按报价单确认。我们不说每个型号每个配置都有现货——核实后再报。

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