High Precision Bearing Steel 50mm 50.8mm Balls for Wind Power

• Material: Bearing Steel
• Package: Steel Drum, Carton, Wooden Case
• Transport Package: Carton+Plywood Case
• Specification: 30mm
• Trademark: NO
• Origin: China
• Model NO.: 50mm, 50.8mm, 2"
• HS Code: 84829100
• Production Capacity: 20 Tons Per Month

Product Description

Product introduction

Material: Chrome(AISI52100/ GCr15/GCr15SiMn/ 100Cr6/ Suj2 and so on)

Diameter:0.2mm - 250mm(Professional production line 4.763mm 3/16",7.938mm 5/16" ,9.525mm 3/8"and so on )

Grade: G5 / G10 / G16 / G20 / G28 / G40 / G100 / G200 / G500 / G1000 / G2000 according to ISO, DIN, or AFBMA standard

Chemical composition
 

Material	C%	Si%	Mn%	Cr%	Cu%
52100	0.98~1.10	0.15~0.35	0.25~0.45	1.30~1.60
GCr15	0.95~1.05	0.15~0.35	0.25~0.45	1.40~1.65	0.25
GCr15SiMn	0.95~1.05	0.45~0.75	0.95~1.25	1.40~1.65	0.25
100Cr6	0.93~1.05	0.15~0.35	0.25~0.45	1.35~1.60
SUJ2	0.95 or 1.10	0.15 or 0.35	0.50 max	1.30~1.60

All products


Precision table

A.F.B.M.A. STANDARDS(U.S.A)
AFBMA GRADES	ROUNDNESS		LOT DIAMETER VARIATION		BASIC DIAMETER TOLERANCE		MAX. INCREMENTS		SURFACE RCUGHNESS
	INCHES	μm	INCHES	μm	INCHES	μm	INCHES	μm	INCHES	μm
3	.000003	0,08	.000005	0,13	±.00003	0,76	.000010	0,25	.5	0,012
5	.000005	0,13	.000010	0,25	±.00005	0,27	.000010	0,25	.8	0,020
10	.000010	0,25	.000020	0,51	±.0001	2,54	.000010	0,25	1.0	0,025
16	.000016	0,38	.000032	0,76	±.0001	2,54	.000010	0,25	1.0	0,025
24	.000024	0,63	.000048	1,27	±.0001	2,54	.000010	0,25	2.0	0,050
48	.000048	1,27	.000096	2,54	±.0002	5,08	.000050	0,12	3.0	0,076
100	.0001	2,50	.0002	5,08	±.0005	12,70	.0001	2,54	5.0	0,120
200	.0002	5,08	.0004	10,20	±.001	25,40	.0002	5,08	8.0	0,203
500	.0005	12,70	.001	25,40	±.002	50,80	.0005	12,70	-	-
1000	.001	25,40	.002	50,80	±.005	127,00	.001	25,40	-	-

 

DIN5401(GERMAN STANDARDS)
DIN 5401 GRADE	ROUNDNESS μm	LOT DIAMETER VARIATION μm	BASIC DIAMETER TOLERANCE μm	GAUGE INTERVAL μm
I	0,25	0,50	±10,25	0,50
II	0,50	1,00	±10,50	1,00
III	1,00	2,00	±11,00	2,00
IV	2,00	4,00	±14,00	4,00
V	25,00	50,00	±75,00	50,00
VI	-	400,00	±200,00	-

 

APPROXIMATE EQUIVALENT GRADES BETWEEN ISO 3290,AFBMA,DIN
GRADES	AAAA	AAA	AA	A	B	C	∅mm
ISO3290	5	10	16	28	40	100	up to 3 included
	10	16	28	40	100		from 3 to 6 included
	10	16	28	40	100	200	from 6 to 10 included
	16	20	28	40	100	200	from 10 to 20 included
		28	40	100	200		from 20 to 30 included
		40		100	200		from 30 to 50 included
		40	100	100	200		over 50
AFBMA	5	10	16	24	48	100	up to 3 included
	10	16	24	48	100	100	from 3 to 6 included
	10	16	24	48	100	200	from 6 to 10 included
	16	16	24	48	100	200	from 10 to 20 included
		24	48	100	200	300	from 20 to 30 included
		48	48	100	200	300	from 30 to 50 included
		48	100	100	200	300	over 50
DIN	class -	class I	class II	class III	class IV	-	up to 3 included
	-	I	II	III	IV	-	from 3 to 6 included
	I	II	III	-	IV	-	from 6 to 10 included
	-	III	III	IV	-	-	from 10 to 20 included
	II	-	III	IV	-	-	from 20 to 30 included
	-	-	III	IV	-	-	from 30 to 50 included
	-	-	III	IV	-	-	over 50

 

Our Company
 

JIANGSU WALLONG-HSIN MACHINERY ENGINEERING CORPORATION LTD. a solely funded subsidiary of SINOMACH GROUP (the biggest machinery group in China), is the limited state-owned Corp. with registered capital of 30 million RMB, located in Wuxi city, Jiangsu Province, which is one of the best rolling elements industry area in China.Our office area is around 3000 square meters and our workshops area is around 50,000 square meters.

Founded in 1994, we own abundant manufacture and export experience, build up well business reputation and keep a long and steady trade partnership with hundreds of customers from different countries and regions. Thanks to the strong support by our parent company SINOMACH , our assets structure keeps good and the state of operation rises steadily.

Application

JIANGSU WALLONG-HSIN MACHINERY ENGINEERING CORPORATION LTD has created a complete range in order to offer advanced solutions and an outstanding technical services. The application range includes:

*High quality Ball Bearings components
*Linear systems,Ball bearing slides
*Free Wheels and casters,rail wheels
*Ball transfer units,air cargo and conveyor
*Stainless steel and tungsten carbide ball point pens
*Various types of valves for liquids and gases,etc.
*CV Joints,hydraulic motors and oilers
*Safety belt balls,car seat guides balls
*motor bikes and bicycles ball parts
*Furniture fitting,drawer slide balls
*Coconut grinding balls, coffee milling balls
*Cosmetic balls,nail polish balls
*Pump balls