Extra Small Ball Bearings and Miniature Ball Bearings Inch Series

		Boundary Dimensions				Basic Load Ratings		Speeds
								Limiting Speeds
		d	D	B	r (min.)	Cr	C0r	Grease	Oil (Oil-bath)
		mm	mm	mm	mm	N	N	min-1	min-1
square	R09	1.016	3.175	1.191	0.1	105	25	130000	150000
square	R0	1.191	3.967	1.588	0.1	153	35	110000	130000
square	R0ZZ	1.191	3.967	2.38	0.1	153	35	110000
square	R1	1.397	4.762	1.984	0.1	255	66	90000	110000
square	R1ZZ	1.397	4.762	2.779	0.1	255	66	90000
square	R1-4	1.984	6.35	2.38	0.1	340	108	67000	80000
square	R1-4ZZ	1.984	6.35	3.571	0.1	340	108	67000
square	R133	2.38	4.762	1.588	0.1	208	60	80000	95000
square	R133ZZS	2.38	4.762	2.38	0.1	159	52	80000
square	R1-5	2.38	7.938	2.779	0.15	605	175	60000	71000
square	R1-5ZZ	2.38	7.938	3.571	0.15	605	175	60000
square	R144	3.175	6.35	2.38	0.1	310	95	67000	80000
square	R144ZZ	3.175	6.35	2.779	0.1	310	95	67000
square	R2-5	3.175	7.938	2.779	0.1	615	179	60000	67000
square	R2-5ZZ	3.175	7.938	3.571	0.1	615	179	60000
square	R2-6	3.175	9.525	2.779	0.15	705	225	53000	63000
square	R2-6ZZS	3.175	9.525	3.571	0.15	705	225	53000
square	R2	3.175	9.525	3.967	0.3	695	218	56000	67000
square	R2ZZ	3.175	9.525	3.967	0.3	695	218	56000
square	R2A	3.175	12.7	4.366	0.3	705	225	53000	63000

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