SBR20 Linear Motion Bearing Block Crylinder Track Rollers and Guide Rails

• Customization: Available
• Journal Diameter Dimensional Accuracy: H7, G6, H6
• Journal Surface Roughness: 0.63-0.16μm
• Sahft Dia: 3mm to 120mm
• Machinized: Stepped Shaft
• Machinze: Flats Shaft
• Machining: Key Way Shaft
• Machinize Shaft: Tapped and Thread Linear Shaft
• Machinized Shaft: Snap Ring Grooves
• Hardness: HRC55-65
• Process: High-Frequency Quenching Treatment
• Length: 100--6000mm
• Straightness: 0.05mm with 300mm Length
• Surface Treat: Chrome Plated
• Load: Drive Shaft
• Stiffness & Flexibility: Flexible Shaft
• Axis Shape: Straight Shaft
• Shaft Shape: Real Axis
• Appearance Shape: Round
• Transport Package: Wooden Box
• Specification: Gcr15 S45c
• Trademark: lzc
• Origin: China
• Production Capacity: 100000000

Product Description

SBR20 Linear Motion Bearing Block Crylinder Track Rollers and Guide Rails
The linear shaft, also name as linear optical axis, is a product that has the guiding function of the sliding bearing and can perform linear motion.
Linear Shaft Feature

Items	Linear shaft	Flexible linear shaft	Hollow linear shaft
Material	CK45, SUJ2	CK45	SUJ2
Heat treatment	Induction hardened	Not hardened	Induction hardened
Surface hardness	HRC58±2	HRC15±3	HRC60±2
Surface treated	Hard chrome plated	Hard chrome plated	Hard chrome plated
Precision	h7, g6, h6	h7, g6	h7, g6, h6
Roundness	Max3.0µm	Max3.0µm	Max3.0µm
Straightness	Max5.0µm	Max5.0µm	Max5.0µm
Chrome thickness	20-30µm	30µm	30µm
Roughness	Max1.5µm	Max1.5µm	Max1.5µm
Process mechanized	Threading, reduced shaft diameter,coaxial holes drilled and tapped, flats-single or multiple, key way, snap ring grooves, radial holes drilled and tapped, chamfer
Application	Linear shaft are widely used in many linear motion systems such as cylinder rods, automatic precision printers, automatic cutting machines and industrial robots.

Linear Shaft Model

Model SF(C)	Diameter ФD(mm)	Diameter tolerance μm(g6)	Straightness tolerance μm/m	Surface roughness		Effective hardening depth(mm)	Chamfer at both end (mm)	Weight kg/m	Max length mm
				standard/S	Precision/S
SF(C)3	3	-2~-8	60~-100/m	0.8~ 1.6	0.4~ 0.8	> 1.0	0.3	0.06	300
SF(C)4	4	-4~-12						0.1	400
SF(C)5	5							0.16	500
SF(C)6	6							0.23	600
SF(C)8	8	-5~-14					0.5	0.4	1000
SF(C)10	10		100~-150/m					0.62	1500
SF(C)12	12	-6~-17						0.89	2500
SF(C)13	13							1.04	3000
SF(C)16	16						0.7	1.58	3000
SF(C)20	20	-7~-20				> 1.5		2.47	3000
SF(C)25	25							3.85	3000
SF(C)30	30					> 2.0	1	5.55	3000
SF(C)35	35	-9~-25						7.55	4000
SF(C)40	40					> 2.5		9.87	4000
SF(C)50	50						1~1.5	15.4	5000
SF(C)60	60	-10~-29				> 3.0		22.2	5000
SF(C)80	80							39.5	5000
SF(C)100	100	-12~-34					1.5	61.7	6000
SF(C)120	120							88.8	6000
SF(C)150	150	-14~-39						139	6000

Product Details
Linear Guide Unit
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