Custom Miniature Deep Groove Ball Bearing Inch R Series

Miniature deep groove ball bearings inch R series are composed of two rings containing a single row of balls. They have deep raceway grooves and the cage keeps the balls separated. They are single-row deep groove ball bearings with a bore diameter of up to 10 mm.

The deep groove ball bearing inch series radial bearings carry moderate radial and thrust loads at low operating torque and provide high performance within small envelope designs. Stainless steel or chrome steel bearings are available with crown or ribbon type metallic cages. Open or shielded bearings may be flanged or unflanged.

Shielded or sealed bearings are usually supplied with grease lubrication but shielded bearings can be offered with instrument oil for low speed, low friction applications. Various types of seals may be specified depending upon the anticipated environment to which the bearings will be exposed. The larger sizes may be available with rubber or Teflon contact seals or low friction non-contact rubber seals. Open bearings are supplied with a light oil lubrication.

Application

The miniature deep groove ball bearings are used in applications as varied as gyros, anemometers, flow meters, miniature gearboxes, small motors and radio controlled models.

Bearing Model	Dimensions(mm)				Basic Load Rating(KN)		Speed ratings(Kr/min)		Weight(kg)
	d	D	B		Dyn.C	Stat.Co	Grease	Oil
	Open,ZZ,2RS	Open,ZZ,2RS	Open	ZZ,2RS	Dyn.C	Stat.Co	Grease	Oil
R1-4zz	1.984	6.35	2.38	3.571	284	96	67	80	0.002
R133zz	2.38	4.762	1.588	2.38	144	53	80	95	0.002
R1-5zz	2.38	7.938	2.779	3.571	552	176	60	71	0.002
R144zzs	3.175	6.35	2.38	2.779	284	96	67	80	0.002
R144Jzzs	3.175	6.35	2.38	2.779	311	110	67	80	0.002
R2-5zz	3.175	7.938	2.779	3.571	558	180	60	67	0.002
R2-6zz	3.175	9.525	2.779	3.571	640	227	53	63	0.002
R2zz	3.175	9.525	3.967	3.967	631	219	56	67	0.002
R2Azz	3.175	12.7	4.366	4.366	640	227	53	63	0.002
R155zzs	0.3967	7.938	2.779	3.175	359	150	53	63	0.002
R156zzs	4.762	7.938	2.779	3.175	359	150	53	63	0.002
R166zzs	4.762	9.525	3.175	3.175	709	272	50	60	0.002
R3zz	4.762	12.7	3.967	4.978	1301	488	43	53	0.002
R3Azz	4.762	15.875	4.978	4.978	1480	621	38	45	0.002
R168zzs	6.35	9.525	3.175	3.175	373	172	48	56	0.002
R188zz	6.35	12.7	3.175	4.762	1082	442	40	50	0.002
R4zz	6.35	15.875	4.978	4.978	1480	621	38	45	0.002
R4Azz	6.35	19.05	5.558	7.142	2336	896	36	43	0.002
R1810zzs	7.938	12.7	3.967	3.967	542	276	40	48	0.002
R6zz	9.525	22.225	5.558	7.142	3332	1422	32	38	0.008
R1038zz	9.525	15.875	3.967	3.967	815	411	28	31	0.006

Miniature Deep Groove Ball Bearing Inch R6 W5.558 Open Size 9.525 x 22.225 x 5.558 mm

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Miniature Deep Groove Ball Bearing Inch R6 ZZ 2RS Size 9.525 x 22.225 x 7.14 mm

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Miniature Deep Groove Ball Bearing Inch R1038 ZZ 2RS Open Size 9.52 x 15.87 x 3.96 mm

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Miniature Deep Groove Ball Bearing Inch R1810 ZZ 2RS Open Size 7.938 x 12.7 x 3.967 mm

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Miniature Deep Groove Ball Bearing Inch R4A ZZ 2RS Open Size 6.35 x 19.05 x 7.142 mm

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Miniature Deep Groove Ball Bearing Inch R4 ZZ 2RS Open Size 6.35 x 15.875 x 4.978 mm

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Miniature Deep Groove Ball Bearing Inch R188 W3.175 Open Size 6.35 x 12.7 x 3.175 mm

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Miniature Deep Groove Ball Bearing Inch R188 ZZ 2RS Size 6.35 x 12.7 x 4.7624 mm

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Miniature Deep Groove Ball Bearing Inch R3A ZZ 2RS Open Size 4.762 x 15.875 x 4.978 mm

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Miniature Deep Groove Ball Bearing Inch R168 ZZ 2RS Size 6.35 x 9.525 x 3.175 mm

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Miniature Deep Groove Ball Bearing Inch R3 W3.967 Open Size 4.762 x 12.7 x 3.967 mm

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Miniature Deep Groove Ball Bearing Inch R166 ZZ 2RS Open Size 4.763 x 9.525 x 3.175 mm

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Miniature Deep Groove Ball Bearing Inch R3 ZZ 2RS Size 4.762 x 12.7 x 4.978 mm

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Miniature Deep Groove Ball Bearing Inch R156 W2.779 Open Size 4.762 x 7.938 x 2.779 mm

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Miniature Deep Groove Ball Bearing Inch R156 ZZ 2RS Size 4.762 x 7.938 x 3.175 mm

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Miniature Deep Groove Ball Bearing Inch R2A ZZ 2RS Size 3.175 x 12.7 x 4.366 mm

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Miniature Deep Groove Ball Bearing Inch R155 W2.779 Open Size 3.967 x 7.938 x 2.779 mm

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Miniature Deep Groove Ball Bearing Inch R155 ZZ 2RS Size 3.967 x 7.938 x 3.175 mm

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Miniature Deep Groove Ball Bearing Inch R2 ZZ 2RS Size 3.175 x 9.525 x 3.967 mm

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Miniature Deep Groove Ball Bearing Inch R2 5 W2.779 Open Size 3.175 x 7.938 x 2.779 mm

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Miniature Deep Groove Ball Bearing Inch R2 5 ZZ 2RS Size3.175x7.938x3.571 mm

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Miniature Deep Groove Ball Bearing Inch R144 ZZ 2RS Size 3.175 x 6.35 x 2.779 mm

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Miniature Deep Groove Ball Bearing Inch R144 W2.38 Open Size 3.175 x 6.35 x 2.38 mm

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Miniature Deep Groove Ball Bearing Inch R133 ZZ 2RS Size 2.38 x 4.76 x 2.38 mm

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