Ball screw support bearing for machine tools (contact seal type) bore25-45mm

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Overall dimensions（mm)					Size（mm)				Rated speed min^-1	Bearing code	Rated dynamic load C_a			Extreme axial directionload			Weight(kg)
d	D	B	γ(minimum)	γ₁(minimum)	d₁	D₂	d₁	D₂	Grease lubrication	Bearing code	Single column bears load DF, DB (N)	Double row load-bearing capacity DT, DF, DBD DFF, DBB (N)	Three columns bear the load DTD,DFT,DBT（N)	Single column bears load DF, DB (N)	Double row load-bearing capacity DT, DF, DBD DFF, DBB (N)	Three columns bear the load DTD,DFT,DBT（N)	(Reference)
45	100	20	1	0.6	61	71	77	86.4	2600	45 TAC 100B DDG	61500	100000	133000	99000	198000	298000	0.842
40	90	20	1	0.6	54	64	70	79.4	3000	40 TAC 90B DDG	59000	95500	127000	89500	179000	269000	0.674
40	72	15	1	0.6	46.3	52.5	58.5	64.9	3600	40 TAC 72B DDG	31500	51500	68500	52000	104000	157000	0.275
35	72	15	1	0.6	44.3	50.5	56.5	62.9	3600	35 TAC 72B DDG	31000	50500	67000	50000	100000	150000	0.31
30	62	15	1	0.6	36.8	43	49	55.4	4300	30 TAC 62B DDG	29200	47500	63000	43000	86000	129000	0.224
25	62	15	1	0.6	34.3	40.5	46.5	52.9	4500	25 TAC 62B DDG	28500	46500	61500	40500	81500	122000	0.252
20	47	15	1	0.6	25.1	30.8	36	41.8	6000	20 TAC 47B DDG	21900	35500	47500	26600	53000	79500	0.135
17	47	15	1	0.6	25.1	30.8	36	41.8	6000	17 TAC 47B DDG	21900	35500	47500	26600	53000	79500	0.144
15	47	15	1	0.6	25.1	30.8	36	41.8	6000	15 TAC 47B DDG	21900	35500	47500	26600	53000	79500	0.144