Aluminum linear bushing is black oxidized with bright surface treatment , stepped sections and inside threads that to connect threaded part , upper blank hole is used to supporting shaft pin .

Material

Knurled bush is made of aluminum 5052

Finish

Black oxidation

Specification

Length	25
Outside diameter	20
Inside diameter	15
Thickness	2.5
Thread	M16
Chamfer	0.5 x 45°

Unit : mm

Tolerance

Normal tolerances are ±0.1 mm , and ISO 2768 for unmarked tolerances with level f ,m etc .

Linear tolerance

Level	0.5-0.3	3-6	6-30	30-120	120-400	400-1000	1000-2000
f	±0.05	±0.05	±0.1	±0.15	±0.2	±0.3	±0.5
m	±0.1	±0.1	±0.2	±0.3	±0.5	±0.8	±1.2
c	±0.2	±0.3	±0.5	±0.8	±1.2	±2	±3
v	-	±0.5	±1	±1.5	±2.5	±4	±6

Unit : mm

Verticality tolerances

Level	0-100	100-300	300-1000	1000-3000
H	0.2	0.3	0.4	0.5
K	0.4	0.6	0.8	1
L	0.6	1	1.5	2

Flatness tolerance

Level	0-10	10-30	30-100	100-300	300-1000
H	0.02	0.06	0.1	0.2	0.3
K	0.05	0.1	0.2	0.4	0.6
L	0.1	0.2	0.4	0.8	1.2

Applications

Aluminum stepped bushing is used to precise Microscope.

Features

★ Bright surface with black oxidation

★ No burrs and sharp edges

★ Resistant corrosion

★ Light weight and small volume

★ Hard material and wear resistance

★ Strict tolerances

★ High precision

Mechanical Property

Tensile strength σb (MPa)	200
Yield Strength σs (MPa)	70
Elongation δ 0.2 (%)	5

Physical Performance

Fusing point(℃ )	550
Specific heat capacity(0~100℃,KJ·kg-1K-1)	0.083
Heat conductivity(W·m-1·K-1)	35
Resistivity(20℃,10-6Ω·m)	0.05

Chemical Elements

Cu	Zn	Mg	Fe	Mn	Cr	Si	Al
0.1	0.1	2.5	0.4	0.1	0.2	0.25	balance

Packing

① Packed in poly bag , one piece each bag .

② Packed in tissue paper wrapped

③ Customized package from you

Bush materials we provide

We provide different materials for different bushes request , normal materials as following

Stainless steel : SUS 201 , SUS303 , SUS 304 ,SUS 316 , SUS 416 ,SUS 430.

Carbon steel : 1008 , 1010 , 1018 , 1022 , 1035 , 1045

Aluminum : 2024 , 6061

Brass : CuZn35 , CuZn37 , CuZn40 , CuZn37Pb1 and CuZn39Pb1

Copper : C11000 , C31000

Please contact us for more information about bushes via email for phone .

Product Tags:

bearing bushing material

bushings and bearings

bimetal bearing bushing

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