Flanged Compact Type - Single

MISUMI

Delivery times for some of our products may be delayed as national government authorities have imposed limit of capacity at our production sites.

Flanged Linear Bushings Compact Type - Single
The linear bushing supports and guides a load, enabling smooth and accurate linear motion along a specified path. It provides a variety of sizes to choose from.
[Feature]
● Support Shaft Diameter (mm.): 6, 8, 10, 12, and 16
● Overall Length (mm.): 19, 24, 29, 30, and 37
● Flange Shape : Round Flange, Square Flange, and Compact Flange
● Material:
- Outer Cylinder - SUJ2 Equivalent
- Ball - SUJ2 Equivalent
[Application]
It is used in industrial machinery such as conveyor systems, packaging machines, and robotic equipment.
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Round Flange

Square flange

Compact Flange

dr = 6 to 12

dr = 16

Type			Outer Cylinder			Balls	Retainer	Operating Ambient Temperature	[A] Accessory
Round Flange	Square flange	Compact Flange	[M] Material	[H] Hardness	[S] Surface Treatment	[M] Material	[M] Material
LHRK	LHSK	LHCK	SUJ2 Equivalent	58HRC or more	—	SUJ2 Equivalent	Plastic (Duracon M90 Equivalent)	−20 to 80°C	Seal [M] Material Nitrile Rubber (−20 to 120°C)
LHRKM	LHSKM	LHCKM			Electroless Nickel Plating	SUS440C Equivalent

Specification Table

Part Number
LHRK12 LHRK12L LHRK12G LHRK12H	(L Type Greased) (G Type Greased) (H Type Greased)

[ ! ] Alternative grease types available.

dr		D Tolerance			L		H	T	d	d₁	t	r	P.C.D.	W	F	A	Eccentricity (Max.) * 1	Balls Rows	Perpendicularity * 2	Basic Load Rating		Mass (g)
	Tolerance		Surface Treatment Not Provided	Surface Treatment Provided		Tolerance	H	T	d	d₁	t	r	P.C.D.	W	F	A	Eccentricity (Max.) * 1	Balls Rows	Perpendicularity * 2	C (Dynamic) N	Co (Static) N	Round Flange	Square flange	Compact Flange
6		10	0 − 0.011	0 − 0.015	19	±0.3	25	5	3.5	6	3.1	3	19	20	—	19	0.012	6	0.012	131	155	18	14	15
8	0	13	0	0	24		28	5	3.5	6	3.1	3	22	23	—	22				235	277	27	22	24
10	− 0.009	17	− 0.013	− 0.018	29		35	6	4.5	7.5	4.1	3.75	27	27	—	27				368	433	52	41	46
12		19	0	0	30		38						30	29	—	30				381	449	64	50	55
16		26	− 0.016	− 0.021	37		44						36	34	24	27				608	716	96	77	83

* 1. The maximum amount of misalignment between the center point of the outer diameter D and the center point of the inner diameter dr.
* 2. Perpendicularity of D to flange mounting surface.
[ ! ] Anti-rust oil is applied at the time of delivery.

Grease coating
By selecting the grease below, change to the product with grease coating is available.

Type	Product Name	Main Features
A Type	Alvania Grease S2 (by Showa Shell Sekiyu)	General-purpose grease suitable for various grease lubrication locations.
Y Type	AFF (Made by THK Co., Ltd.)	Grease with less particles, stable rolling resistance, and excellent fretting resistance.
G Type	LG2 (Made by NSK Ltd.)	Grease with less particles, excellent wear and rust resistance.
L Type	ET-100K (Made by KYODO YUSHI Co., Ltd.)	Superior heat resistance and oxidation stability. Also high adhesion and cohesion with limited splash or leakage.
H Type	FGL (Lubriplate)	Suitable for lubrication of equipment used in food, beverage and pharmaceutical industries. (NSF H-1 Reg. No. 043534)

Grease Performance Table (Reference Value)

Item	Conditions	Unit	Measurement Method	A Type	Y Type	G Type	L Type	H Type
Thickener	—	—	—	Lithium Type	Lithium Type	Lithium Type	Aromatic Diurea	Aluminum Complex Soap
Base Oil	—	—	—	Mineral Oil	Fine Synthetic Oil	Mineral Oil + Synthetic Hydrocarbon Oil	Ether Synthetic Oil	USP White Oil
Base Oil Kinematic Viscosity	40°C	mm2/s	JIS K2220 23	131	100	32	—	105 (ASTMD-445)
Base Oil Kinematic Viscosity	100°C	mm2/s	JIS K2220 23	12.2	—	5.4	—	11.5 (ASTMD-445)
Worked Penetration	—	—	JIS K2220 7	283	315	199	280	310 (ASTMD-217)
Dropping Point	—	°C	JIS K2220 8	181	220	201	260 <	238 (ASTMD-217)
Evaporation Amount	99°C × 22 hr	wt%	JIS K2220 10	0.2	0.7	1.4	—	0.27 (ASTMD−972)
Oil Separation	100°C × 24 hr	wt%	JIS K2220 11	2.4	2.6	0.8	1.2	2.1 (ASTMD−1742)
Operating Temp.	In Air	°C	—	-25 to 120	-40 to 120	−20 to 70	−40 to 200	−12 to 177