Slewing Ring Bearing Ball for Cranes

Product Detail

Slewing Ring

Slewing Ring Bearing Balls for Cranes

The slewing ring bearing balls we produced are mainly applied in crane bearings, such as single/double row ball bearing, single cross roller bearing, three roller bearing, double row angular contact ball bearing.Yusion carries out standard management systems strictly according with proprietary standard regulated by international technology criterion of steel to select our raw material.And by advanced facility, top-ranking testing intruments and stringent control procedures to guarantee our wind energy steel balls with superior quality and long life.

 

SIZE RANGE

Ø 15.875 mm – Ø 50 mm (GCr15/SUJ2/100Cr6 Chrome Steel Balls)
Ø 50 mm – Ø 80 mm(GCr15SiMn/SUJ3/100CrMn6 Chrome Steel Balls)

TECHNICAL FEATURES

1. Quality grades

G40 for balls Ø39.688-65mm  

G60 for balls Ø 69.85-80mm

2. Hardness

GCr15 :Core hardness min HRC55

Surface to OD’S 15% depth hardness min HRC58

Surface Hardness min HRC61

GCr15SiMn:Core hardness min HRC55

          Surface to OD’S 15% depth hardness min HRC58

          Surface Hardness min HRC61

MATERRIAL COMPARISON LIST

State	China	Japan	America	Germany	France	UK	Russia
Standard	GB	JIS	ASTM/AISI	DIN/VDEh	NF	BS	????
Title	Gcr15	SUJ2	52100	100Cr6 (1.3505)	100C6	534A99	?X15
Tiltle	GCr15SiMn	SUJ3	*	1.3520	100CrMn6	*	?X15C?

CHEMICAL COMPOSITION

Steel NO.	Chemical Composition%
C	Si	Mn	P	S	Cr
GCr15	0.90-1.05	0.15-0.35	0.20-0.40	=0.027	=0.020	1.35-1.65
GCr15SiMn	0.95-1.05	0.40-0.65	0.90-1.20	=0.027	=0.020	1.35-1.65

MECHANICAL PROPERTY

Item	GCr15	GCr15SiMn
Density (g/cm3)	7.8	7.8
Hardenability	Good	Excellent
Wear Resistance	Excellent	Excellent
Anti-rust	No	No
Anti-corrosion	No	No
Magnetic	Yes	Yes

PRODUCTION PROCESS

 

QUALITY INSPECTION

Our wind turbine bearings ball were 100% tested by eddy current test machine.

 

PACKING

Paper Cartons & Wooden Pallet.

Note: for 45mm balls, 50pcs/ctn,36ctn/pallet,1800pcs/pallet;

    for 50mm balls, 50pcs/ctn,30ctn/pallet,1500pcs/pallet;

    for 60mm balls, 30pcs/ctn,30ctn/pallet,900pcs/pallet;