Rotary Shafts Retaining Ring Groove on Both Ends with Keyway

Rotary shaft is a high precision shaft product, which can be used in combination with bearing, roller, pulley or other bushing products to realize the function of transmitting power and conveying objects. In addition to excellent dimensional and geometric tolerances, it offers a variety of alterations.

Type		D Tolerance	Material	Surface Treatment	D	L
Standard	With Retaining Ring
E-SFHKRR	E-SFHKRRA	h8 (Grinding Rod)	General structural steel or carbon steel	Ferroferric Oxide Protective Film	6~50	15~1000
E-PSFHKRR	E-PSFHKRRA			Electroless Nickel Plating
E-SSFHKRR	E-SSFHKRRA		Austenitic stainless steel	-
E-SFGKRR	E-SFGKRRA	g7 (Grinding Rod)	General structural steel or carbon steel	Ferroferric Oxide Protective Film
E-PSFGKRR	E-PSFGKRRA			Electroless Nickel Plating
E-SSFGKRR	E-SSFGKRRA		Austenitic stainless steel	-

If there are requirements for rust prevention, give priority to the products with surface treatment of electroless nickel plating and products made of austenitic stainless steel. Please click Anti-Rust Method

■Detailed dimensions of the keyway

	Shaft Dia.	b		t		r
		Reference Dimension	Tolerance (N9)	Reference Dimension	Tolerance
	6	2	-0.004 -0029	1.2	+0.1 0	0.08~0.16
	8·10	3		1.8
	12	4	0 -0.03	2.5
	13~17	5		3.0		0.16~0.25
	18~22	6		3.5
	25·30	8	0 -0.036	4.0	+0.2 0
	35	10		5.0		0.25~0.4
	40	12	0 -0.043	5.0
	50	14		5.5

 

Retaining Ring Dimensions  (Material Stainless Steel)		Retaining Ring
			d		D		H		t
			Tolerance		Tolerance		Tolerance		Tolerance
	NETWS5	5	0 -0.12	11	±0.2	4.3	0 -0.30	0.6	±0.04
	NETWS7	7	0 -0.15	14		6.1	0 -0.35	0.8

 

Retaining Ring Dimensions  (Material Stainless Steel)		Retaining Ring
			d3		t	b (approx.)	a (approx.)	d0(Min.)
			Tolerance		Tolerance
	STWS10	9.3	±0.15	1	±0.05	1.6	3	1.2
	STWS12	11.1	±0.18			1.8	3.2	1.5
	STWS15	13.8				2.2	3.5	1.7
	STWS17	15.7					3.7
	STWS20	18.5	±0.2	1.2	±0.06	2.7	3.9	2
	STWS25	23.2				3.1	4.3
	STWS30	27.9		1.5		3.5	4.8

h8 (Grinding Rod)

Part Number				L 0.1mm increments	F・S 1mm increments	Keyway①	Keyway②	Keyway③	Retaining ring model 2 accessory retaining rings (Applicable to Shafts with Retaining Rings only)
Type		Dh8				KA・A	KB・B	KC・C
Standard	With Retaining Ring		Tolerance			1mm increments
E-SFHKRR E-PSFHKRR E-SSFHKRR	E-SFHKRRA E-PSFHKRRA E-SSFHKRRA	6	0 -0.018	15.0~400.0	2≤F・S＜L/2	KA＋A≤L-S KA≥F b≤A≤100	KB＋B≤L-S KB≥KA＋A b≤B≤100	KC＋C≤L-S KC≥KB＋B b≤C≤100	NETWS5
		8	0 -0.022	15.0~500.0	3≤F・S＜L/2				NETWS7
		10		15.0~600.0					STWS10
		12	0 -0.027	15.0~700.0	4≤F・S＜L/2				STWS12
		15		15.0~800.0					STWS15
		17		30.0~900.0					STWS17
		20	0 -0.033	30.0~1000.0					STWS20
		25		50.0~1000.0	5≤F・S＜L/2				STWS25
		30		60.0~1000.0					STWS30
		35	0 -0.039	70.0~1000.0					STWS35
		40		80.0~1000.0					STWS40
		50		100.0~1000.0					STWS50

g7 (Grinding Rod)

Part Number					L 0.1mm increments	F・S 1mm increments	Keyway①	Keyway②	Keyway③	Retaining ring model 2 accessory retaining rings (Applicable to Shafts with Retaining Rings only)
Type		Dg7					KA・A	KB・B	KC・C
Standard	With Retaining Ring			Tolerance			1mm increments
E-SSFGKRR E-PSFGKRR E-SSFGKRR	E-SFGKRRA E-PSFGKRRA E-SSFGKRRA	6		0.004 -0.016	15.0~400.0	2≤F・S＜L/2	KA＋A≤L-S KA≥F b≤A≤100	KB＋B≤L-S KB≥KA＋A b≤B≤100	KC＋C≤L-S KC≥KB＋B b≤C≤100	NETWS5
		8		-0.005 -0.020	15.0~500.0	3≤F・S＜L/2				NETWS7
		10			15.0~600.0					STWS10
		12		-0.006 -0.024	15.0~700.0	4≤F・S＜L/2				STWS12
		13			15.0~700.0					STWS13
		15			15.0~800.0					STWS15
		16			15.0~900.0					STWS16
		17			30.0~900.0					STWS17
		18			30.0~900.0					STWS18
		20		-0.007 -0.028	30.0~1000.0					STWS20
		22			40.0~1000.0					STWS22
		25			50.0~1000.0	5≤F・S＜L/2				STWS25
		30			60.0~1000.0					STWS30
		35		-0.009 -0.034	70.0~1000.0					STWS35
		40			80.0~1000.0					STWS40
		50			100.0~1000.0					STWS50

Feature 1: Extensively applied in various precision equipment thanks to high precision dimensional tolerance and geometric tolerance.
Feature 2: The shaft is intended for rotating purposes such as transmitting power and conveying objects, and used in combination with bearing, roller and timing pulley.
Feature 3: A variety of O.D. tolerances and alterations are available to accommodate different environments.
Feature 4: The product has excellent anti-corrosion performance due to the surface treatment of electroless nickel plating and the use of austenitic stainless steel as the body material.

Rotary shaft selection method
STEP① Select the bearing support method
● Shaft end shape　～Please select tapped or retaining ring groove, etc. according to the fixing method～