1mm to 20mm AISI 52100 GCr15 High Precision Chrome Steel Balls for Bearings & Machinery

High precision solid GCr15 chrome steel bearing balls, diameter 1mm ~ 20mm; Equivalent to SUJ2 / AISI 52100, high hardness HRC61-66, wear resistant; Suitable for bearings, ball screws, linear motion and machinery spare parts.

Sold by weight per kilogram.
Quantity 1 = 1 KG, Qty 2 = 2 KG, Qty 3 = 3 KG, Qty 10 =10 KG, and so on.

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Product Name: Bearing Ball, Steel Ball, Ball Bearing, Grinding Ball
Diameter Available: 1mm to 20mm
Application: Bearing, Linear Guide, Ball Screw, Grinding Media, Measureing Tool, Machinery Spare Parts…

Description:
GCr15 high carbon chromium bearing steel balls, equivalent grade SUJ2 (JIS) and AISI 52100 (ASTM). Available diameters from 1mm to 20mm.
These precision ground solid steel balls feature high hardness HRC61~66, excellent wear resistance and high contact fatigue strength. Widely used for rolling bearings, ball screws, linear guides, measuring tools and other mechanical components.
We support wholesale orders and custom packaging. Samples can be provided upon request.

Approx. Pcs per 1 kg: Approximate quantity of balls per kilogram for reference only.

Diameter (mm)	Weight per ball (g)	Weight for 100 pcs (g)	Weight for 1000 pcs (kg)	Approx. Pcs per 1 kg
1.0	0.0041	0.41	0.0041	243902
1.5	0.0139	1.39	0.0139	71942
2.0	0.0329	3.29	0.0329	30395
2.5	0.0642	6.42	0.0642	15576
3.0	0.1110	11.10	0.1110	9009
3.5	0.1764	17.64	0.1764	5669
4.0	0.2630	26.30	0.2630	3802
4.5	0.3741	37.41	0.3741	2673
5.0	0.5138	51.38	0.5138	1946
5.5	0.6854	68.54	0.6854	1459
6.0	0.8926	89.26	0.8926	1120
6.5	1.1390	113.90	1.1390	878
7.0	1.4283	142.83	1.4283	700
7.5	1.7640	176.40	1.7640	567
8.0	2.1498	214.98	2.1498	465
8.5	2.5894	258.94	2.5894	386
9.0	3.0863	308.63	3.0863	324
9.5	3.6442	364.42	3.6442	274
10.0	4.1100	411.00	4.1100	243
10.5	4.7625	476.25	4.7625	210
11.0	5.4711	547.11	5.4711	183
11.5	6.2387	623.87	6.2387	160
12.0	7.0675	706.75	7.0675	141
12.5	7.9600	796.00	7.9600	126
13.0	8.9187	891.87	8.9187	112
13.5	9.9461	994.61	9.9461	101
14.0	11.0446	1104.46	11.0446	91
14.5	12.2167	1221.67	12.2167	82
15.0	13.4648	1346.48	13.4648	74
15.5	14.7914	1479.14	14.7914	68
16.0	16.1990	1619.90	16.1990	62
16.5	17.6901	1769.01	17.6901	57
17.0	19.2672	1926.72	19.2672	52
17.5	20.9328	2093.28	20.9328	48
18.0	22.6895	2268.95	22.6895	44
18.5	24.5397	2453.97	24.5397	41
19.0	26.4860	2648.60	26.4860	38
19.5	28.5308	2853.08	28.5308	35
20.0	30.6767	3067.67	30.6767	33

Diameter	Φ6mm 1KG, Φ6.5mm 1KG, Φ7mm 1KG, Φ7.5mm 1KG, Φ8mm 1KG, Φ8.5mm 1KG, Φ9mm 1KG, Φ9.5mm 1KG, Φ10mm 1KG, Φ10.5mm 1KG, Φ11mm 1KG, Φ12mm 1KG, Φ13mm 1KG, Φ14mm 1KG, Φ15mm 1KG, Φ16mm 1KG, Φ17mm 1KG, Φ18mm 1KG, Φ19mm 1KG, Φ20mm 1KG