Stainless steel pin

1.High precision 2.Smooth surface 3.Can meet customer's requirements 4.Good quality and reasonable price 5.Good service

We are manufacturer of cylindrical roller,needle roller and shaft.  

The details of R 4*16 bearing needle

Material standard:GCr15

Diameter :4mm

Length: 16mm

Tolerance:0/+2

 picture of 4*16 needle roller:

The details of our products:

Table1   Details of our products

Material	GCr15,Stainless steel,20crmo,40crmo,45#
Our main products	Needle roller,roller,shaft,needle roller  bearing
Needle roller length tolerance	0~0.2mm
Roller length tolerance	0~0.03mm
Diameter tolerance	0~0.001mm
Surface finish	Within 0.0001mm
Diameter	0.7mm to 80mm
Length	2mm to 150mm
Hardness standard	HRC58—65
Grade	G1,G2,G3,
Chamfer	0.1 ,0.2,0.3
Roundness	within 0.001mm
USE	Widely be used in machinery
Certificate	ISO 9001:2008

(1)Needle roller

 

 

Table2 Dimension Tolerance and Geometrical Precision

Quality  grade	Deviation (μm)	Tolerance of each sort (μm)	Group of sort Deviation  (μm)	Roundness Tolerance(Max)	Length Tolerance
G2	0-10	2	0/-2,-1/-3,-2/-4	1	h13
			-3/-5,-4/-6,-5/-7
			-6/-8,-7/-9,-8/-10
G3	0/-10	3	0/-3,-1.5/-4.5,-3/-6	1.5
			-4.5/-7.5,-6/-9,-7/-10
G5	0/-10	5	0/-5,-3/-8,-5/-10	2.5

needle roller&cylindrical roller

 

 

   

(2)Shaft

About material-----GCr15 

(1)What's GCr15?

GCr15 is the mostly widely used high-carbon  chromium  bearing steel  with  less  alloy content and good performance.It has high and uniform hardness, good 

abrasion resistance and high contact fatigue performance after heat-treatment 

and tempring.

(2)The details of GCr15

Elment	C	Si	Mn	P	S	Cr
Content	0.95-1.05	0.15-0.35	0.20-0.40	≤0.027	≤0.020	1.30-1.65

(3)GCr15 in other country

 executive standard:

China GB/T18254-2002

Japan JIS G4805:1991 

USA ASTM A295:1998 

Unified digital code :B00150 

Country	China	US	Janpan	Germany	France	ISO
Grade	GB	AST	JIS	DIN,DINEN	NP,NPEN	ISO630
Bearing steel Chrome steel	GCr9	51100	SUJ1
	GCr15	52100	SUJ2	100Cr6	100Cr6	1
	9Cr18Mo	440C	SUS440C	Z100C D17

Show you part of our process flow:

  

Package

 our Plant

Quality control:

You should believe the quality of our products,because we have these machines to control our quality.

Certification

We supply a vast array of needle roller,cylindrical roller and shafts,.Whatever your needs, we're here to help!

We manufacture both standard and custom needle roller.

 For more informations,please contact with me!

Stainless steel pin