Locking nut for bearings FINE U-NUT-FUNM8SS

Locking nut for bearings FINE U-NUT
Fuji Precision Co., Ltd.

About This Product

■Features・Reusable
・Fine adjustment is possible at any position, and torque management is also easy.
・No need for toothed washer or shaft keyway machining
・Improved shaft/bearing rotational balance
・A hollow shaft with a thinner wall can be used than before.
・Achieved total cost reduction by eliminating the need for processing, parts, and technology that were previously required.
・Special tools from M10 to M100 are available.

■General nameBearing nut Bearing nut Adapter nut Grooved round nut

■Supported markets・Four wheels
・Special vehicles, construction machinery
・Agricultural equipment
・Transportation machine
・Railway
・Machine tools
・Industrial equipment
・Electrical equipment
・Medical care, welfare
・Play equipment

■Structure and actionWhen screwing the "FINE U-NUT" onto the shaft, the friction ring will come into contact with the shaft thread. As you tighten it further, the friction ring begins to flex along the thread, pressing down on the threaded surface of the shaft. Prevailing torque (friction torque) is generated by the force P generated by the elasticity of the friction ring and the force P' that pushes the male thread flank surface, and exerts a loosening prevention function.

■Comparison of FINE U-NUT and conventional products・There are 3 basic parts.
・Simply insert and tighten.
・No toothed washer (chrysanthemum washer) required, no keyway machining required

■Steel friction ring270° ring

■Thread accuracy・JIS6H (JIS2 grade)
・Perpendicularity of end face (maximum) 0.05 (M8 to M50)
・Perpendicularity of end face (maximum) 0.07 (M55 to M120)
・Perpendicularity of end face (maximum) 0.10 (M125 to M150)

■Size・M8~M100 (SS series)
・M10~M150 (SC series)
・M10~M100 (SUS series)
*Pitch: Fine thread
Shape: Grooved round nut *Other special shapes

■MaterialSS400 or equivalent, S45C (thermal refining), SUS304 or equivalent

*Other product numbers are available.

Model
There are 10 models for this product.

Product
Locking nut for bearings FINE U-NUT

Handling Company
Fuji Precision Co., Ltd.

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10 Models of Locking nut for bearings FINE U-NUT

Click on the part number for more information about each product

Part Number	Price (excluding tax)	End face perpendicularity (maximum)	Groove depth (h1) approx. mm	Groove width (b) Tolerance mm	Groove width (b) Standard dimension mm	Groove width across flats (g) Tolerance mm	Groove width across flats (g) Standard dimension mm	Seat diameter (φd1) Standard dimension mm	Seat diameter (φd1) Tolerance mm	Outer diameter (φd2) Tolerance mm	Outer diameter (φd2) Standard dimension	Unit weight (g) approx.	Overall height (h) Tolerance mm	Overall height (h) Standard dimensions mm	Thread height (m) approx. mm	Thread nominal (d×p) mm	Extra length of male thread ℓmin mm
FUNM8SS	Available upon quote	0.05	1.5	±0.2	3	0~0.5	13	12	0~0.5	0~0.5	16	4.1	±0.3	5.3	4.3	M8×0.75	5.8
FUN00SC	Available upon quote	0.05	1.8	±0.2	3	0~0.5	14.4	13.5	0~0.5	0~0.5	18	4.5	±0.3	5.2	4	M10×0.75	5.5
FUN00SS	Available upon quote	0.05	1.8	±0.2	3	0~0.5	14.4	13.5	0~0.5	0~0.5	18	4.5	±0.3	5.2	4	M10×0.75	5.5
FUN00SUS	Available upon quote	0.05	1.8	±0.2	3	0~0.5	14.4	13.5	0~0.5	0~0.5	18	4.5	±0.3	5.2	4	M10×0.75	5.5
FUN01SC	Available upon quote	0.05	1.8	±0.2	3	0~0.5	18.4	17	0~0.5	0~0.5	Twenty two	8	±0.3	5.4	4	M12×1	6
FUN01SS	Available upon quote	0.05	1.8	±0.2	3	0~0.5	18.4	17	0~0.5	0~0.5	Twenty two	8	±0.3	5.4	4	M12×1	6
FUN01SUS	Available upon quote	0.05	1.8	±0.2	3	0~0.5	18.4	17	0~0.5	0~0.5	Twenty two	8	±0.3	5.4	4	M12×1	6
FUN02SC	Available upon quote	0.05	1.8	±0.2	4	0~0.5	21.4	Twenty one	0~0.5	0~0.5	Twenty five	12	±0.5	6.5	5	M15×1	7
FUN02SS	Available upon quote	0.05	1.8	±0.2	4	0~0.5	21.4	Twenty one	0~0.5	0~0.5	Twenty five	12	±0.5	6.5	5	M15×1	7
FUN02SUS	Available upon quote	0.05	1.8	±0.2	4	0~0.5	21.4	Twenty one	0~0.5	0~0.5	Twenty five	12	±0.5	6.5	5	M15×1	7

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About Company Handling This Product

Fuji Precision Co., Ltd.

Japan

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Locking nut for bearings FINE U-NUT Fuji Precision Co., Ltd.

About This Product

■Features

■General name

■Supported markets

■Structure and action

■Comparison of FINE U-NUT and conventional products

■Steel friction ring

■Thread accuracy

■Size

■Material

10 Models of Locking nut for bearings FINE U-NUT

Customers who viewed this product also viewed

Other products of Fuji Precision Co., Ltd.

About Company Handling This Product

Related search keywords

Locking nut for bearings FINE U-NUT
Fuji Precision Co., Ltd.