Deep Groove Ball Bearing 6300 series

Short Description:

Deep Groove ball bearings are the most popular of all the ball bearing types because they are available in a wide variety of seal, shield and snap-ring arrangements.The bearing ring grooves are circular arcs made slightly larger than the radius of the ball.

The balls make point contact with the raceways (elliptical contact when loaded). The inner ring shoulders are of equal height (as the outer ring shoulders). Deep Groove ball bearings can sustain radial, axial, or composite loads and because of simple design, this bearing type can be produced to provide both high-running accuracy and high-speed operation. Standard ball retainers (cages) are made from pressed steel. Machined cages are used in bearing operation at very high speed or for large diameter bearings.

Deep Groove ball bearings with seals or shields are standardized. They contain proper amount of grease in advance.

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BEARING PARAMETERS

Single row deep groove ball bearings come in three numerical series representing the size and load capacity of each. They are:
6000 Series - Extra Light Ball Bearings - Ideal for limited space applications
6200 Series - Light Series Ball Bearings - Balanced between space and load capacity
6300 Series - Medium Series Ball Bearings - Ideal for heavier load capacity applications
The parameters of 6300 series are as follows:

JKSAG44GAG

Bearing No.	I.D	O.D	W	Load Rating(KN)		Steel Ball Parameter		Max speed		Unit Weight
	d	D	B	Dynamic	Static	No.	Size	Grease	Oil	Unit Weight
	mm	mm	mm	Cr	Cor	No.	mm	r/min	r/min	kg
6300	10	35	11	8.20	3.50	6	7.1440	23000	27000	0.053
6301	12	37	12	9.70	4.20	6	7.9380	20000	24000	0.060
6302	15	42	13	11.40	5.45	7	7.9380	17000	21000	0.082
6303	17	47	14	13.50	6.55	7	8.7310	16000	19000	0.115
6304	20	52	15	15.90	7.90	7	9.5250	14000	17000	0.144
6305	25	62	17	21.20	10.90	7	11.5000	12000	14000	0.232
6306	30	72	19	26.70	15.00	8	12.0000	10000	12000	0.346
6307	35	80	21	33.50	19.10	8	13.4940	8800	10000	0.457
6308	40	90	23	40.50	24.00	8	15.0810	7800	9200	0.633
6309	45	100	25	53.00	32.00	8	17.4620	7000	8200	0.833
6310	50	110	27	62.00	38.50	8	19.0500	6400	7500	1.070
6311	55	120	29	71.50	45.00	8	20.6380	5800	6800	1.370
6312	60	130	31	82.00	52.00	8	22.2250	5400	6300	1.700
6313	65	140	33	92.50	60.00	8	24.0000	4900	5800	2.080
6314	70	150	35	104.00	68.00	8	25.4000	4600	5400	2.520
6315	75	160	37	113.00	77.00	8	26.9880	4300	5000	3.020
6316	80	170	39	123.00	86.50	8	28.5750	4000	4700	3.590
6317	85	180	41	133.00	97.00	8	30.1630	3800	4500	4.230
6318	90	190	43	143.00	107.00	8	32.0000	3600	4200	4.910
6319	95	200	45	153.00	119.00	8	34.0000	3300	3900	5.670
6320	100	215	47	173.00	141.00	8	36.5120	3200	3700	7.200

BEARING CONSTRUCTION

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BEARING MATERIALS

The performance and reliability of rolling bearings are greatly affected by the materials which the bearing components are made from.BXY bearing rings and balls are made of high quality of GCr15 vacuum-degassed bearing steel.Chemical composition of GCr15 bearing steel is basically equivalent to some representative bearing steel as the chart shown below:

Standard Code	Material	Analysis(%)
Standard Code	Material	C	Si	Mn	Cr	Mo	P	S
GB/T	GCr15	0.95-1.05	0.15-0.35	0.25-0.45	1.40-1.65	≦0.08	≦0.025	≦0.025
DIN	100Cr6	0.95-1.05	0.15-0.35	0.25-0.45	1.40-1.65		≦0.030	≦0.025
ASTM	52100	0.98-1.10	0.15-0.35	0.25-0.45	1.30-1.60	≦0.10	≦0.025	≦0.025
JIS	SUJ2	0.98-1.10	0.15-0.35	≦0.50	1.30-1.60		≦0.025	≦0.025

PRODUCTION SHOW

BEARING APPLICATION

Deep groove ball bearing is suitable for all kinds of mechanical transmission, factory supporting motor, fitness equipment, telecommunications equipment, instruments and meters, precision instruments, sewing machinery, household appliances, medical equipment, fishing gear and toys, etc.

apptions

BEARING INSTRUCTIONS

The bearings are coated with antirust agent and then packed and leave the factory.It can last for years if properly stored and well packed.Bearing storage should be noted as follows:

1. Keep in a place with a relative temperature below 60%;
2. Do not directly placed on the ground, at least 20 cm from the ground on the platform placed well;
3. Pay attention to the height when stacking, and the stacking height should not exceed 1 meter.

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