Koganei NHB Series Parallel Type Cross Roller Bearing Specification Double Acting Type

Manufacturer: KOGANEI CORPORATION

Features

Cross roller bearing lever mechanism provides exceptional durability, smooth motion, and high-precision performance for industrial automation and robotic applications.
Ultra-accurate gripping repeatability of ±0.01 mm (±0.0004 in) ensures consistent, reliable positioning for precision assembly and handling tasks.
Optional dust protection cover available for environments requiring added contamination control and extended component lifespan.
Built-in magnet compatible with sensor switches enables easy integration and precise position detection within automated systems.

Specifications

Item	Basic model
	NHBDPA-6	NHBDPA-10	NHBDPA-16	NHBDPA-20	NHBDPA-25
Cylinder bore size mm [in.]	6 [0.236]	10 [0.394]	16 [0.630]	20 [0.787]	25 [0.984]
Operation type	Double acting type
Media	Air
Operating pressure range MPa [psi]	0.22–0.7 [32–102]	0.18–0.7 [26–102]	0.12–0.7 [17–102]	0.1–0.7 [15–102]	0.1–0.7 [15–102]
Proof pressure MPa [psi]	1.05 [152]
Operating temperature range °C [°F]	0–60 [32–140]
Maximum operating frequency cycle/min	100	200
Lubrication	Cylinder portion Not required	Lever portion Not required
Maximum grip point length mm [in.]	20 [0.79]	50 [1.97]	60 [2.36]	80 [3.15]	100 [3.94]
Effective gripping force (F)¹ N [lbf] Closed side	4.2 [0.94]	8.6 [1.93]	25.5 [5.73]	45.7 [10.27]	67 [15.06]
Effective gripping force (F)¹ N [lbf] Open side	5.6 [1.26]	14.6 [3.28]	34 [7.64]	60.9 [13.69]	87 [19.56]
Lever open/closed stroke mm [in.]	4 [0.157]	8 [0.315]	10 [0.394]	12 [0.472]	14 [0.551]
Repeatability mm [in.]	±0.01 [±0.0004]
Port size	M3 × 0.5	M3 × 0.5	M5 × 0.8	M5 × 0.8	M5 × 0.8
Mass g [oz.]	Body: 28 [0.99] (48 [1.69]) Mounting bracket: — Rubber cover: — NBR: 7 [0.25] Silicone: 6 [0.21] Fluoro rubber: 7 [0.25]	Body: 91 [3.21] (102 [3.60]) Mounting bracket: 11 [0.39] Rubber cover: 19 [0.67] NBR: 8 [0.28] Silicone: 8 [0.28] Fluoro rubber: 10 [0.35]	Body: 120 [4.23] (148 [5.22]) Mounting bracket: — Rubber cover: — NBR: 10 [0.35] Silicone: 12 [0.42] Fluoro rubber: 16 [0.56]	Body: 218 [7.69] Mounting bracket: 26 [0.92] Rubber cover: — NBR: 12 [0.42] Silicone: 12 [0.42] Fluoro rubber: 16 [0.56]	Body: 366 [12.91] Mounting bracket: 51 [1.80] Rubber cover: — NBR: 15 [0.53] Silicone: 15 [0.53] Fluoro rubber: 20 [0.71]