Double Row Cam Rollers

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Design Variants

Misalignment

Cage

Tolerance

Internal Clearance

DHK double row angular contact ball roller has two kinds, one is straight diameter 3057... And 3067... Series, another is the arc surface outer diameter of 3058... And 3068... Series, 3057... And 3058... The interior design of the series is the same as the 32... Series double row angular contact ball bearings; 3067... And 3068... The interior design of the series is the same as 33... Series double row angular contact ball bearings.

The contact Angle of DHK double-row angular contact ball bearing roller is 25°, and the radius of the circular arc surface outer diameter roller is R=400mm.

Most of these bearings are dust-proof covers on both sides (suffix.2z) and contact sealing rings on both sides (suffix.2RSR).

DHK double row angular contact ball roller has two kinds, one is straight diameter 3057... And 3067... Series, another is the arc surface outer diameter of 3058... And 3068... Series, 3057... And 3058... The interior design of the series is the same as the 32... Series double row angular contact ball bearings; 3067... And 3068... The interior design of the series is the same as 33... Series double row angular contact ball bearings.

The contact Angle of DHK double-row angular contact ball bearing roller is 25°, and the radius of the circular arc surface outer diameter roller is R=400mm.

Most of these bearings are dust-proof covers on both sides (suffix.2z) and contact sealing rings on both sides (suffix.2RSR).
DHK double row angular contact ball roller is made of plastic cage.
DHK double row angular contact ball roller uses ordinary tolerance, for the circular surface outer diameter of the roller diameter tolerance is twice the standard value.
DHK Double row Angular Contact Ball Bearing roller with common clearance (CN)
DHK can provide other clearance groups of rollers upon request.

Dimensions and Parameters

Inquiry	Designation		Boundary dimensions[mm]					Speed ratings[rpm]	Load ratings[kN]				Maximum allowable load		Mass[kg]
	Cylinder outer diameter	Spherical outer diameter	D	d	B	R	r1,r2 min	min-1	As a bearing		As a roller		Dyn Cr	Stat Cor
	Cylinder outer diameter	Spherical outer diameter	D	d	B	R	r1,r2 min	min-1	Dyn Cr	Stat Cor	Dyn Cr	Stat Cor	Dyn Cr	Stat Cor
	305700.2Z	305800.2Z	32	10	14	400	0.6	13000	7.8	4.5	7.4	4.1	9	12.9	0.062
	305700.2RSR	305800.2RSR	32	10	14	400	0.6	8500	7.8	4.5	7.4	4.1	9	12.9	0.062
	305701.2Z	305801.2Z	35	12	15.9	400	0.6	11000	10.6	5.9	10	5.2	8.3	12	0.078
	305701.2RSR	305801.2RSR	35	12	15.9	400	0.6	7300	10.6	5.9	10	5.2	8.3	12	0.078
	305702.2Z	305802.2Z	40	15	15.9	400	0.6	10000	11.9	7.1	11.1	6.4	12.2	17.6	0.1
	305702.2RSR	305802.2RSR	40	15	15.9	400	0.6	6500	11.9	7.1	11.1	6.4	12.2	17.6	0.1
	305703.2Z	305803.2Z	47	17	17.5	400	0.6	9000	14.6	9	13.8	8.3	19.3	27.5	0.16
	305703.2RSR	305803.2RSR	47	17	17.5	400	0.6	6000	14.6	9	13.8	8.3	19.3	27.5	0.16
	306702.2Z	306802.2Z	47	15	19	400	1	10000	17.7	10.3	14.6	9.2	12.5	18.4	0.15
	306702.2RSR	306802.2RSR	47	15	19	400	1	6500	17.7	10.3	14.6	9.2	12.5	18.4	0.15
	305704.2Z	305804.2Z	52	20	20.6	400	1	8000	19.5	12.5	18.2	11	17	18.4	0.15
	305704.2RSR	305804.2RSR	52	20	20.6	400	1	5300	19.5	12.5	18.2	11	17	18.4	0.15
	306703.2Z	306803.2Z	52	17	22.2	400	1	9500	21.1	12.5	17.2	11	15.5	22.2	0.2
	306703.2RSR	306803.2RSR	52	17	22.2	400	1	6300	21.1	12.5	17.2	11	15.5	22.2	0.2
	305705.2Z	305805.2Z	62	25	20.6	400	1	7000	21.2	14.6	19.9	13.4	30.5	44	0.32
	305705.2RSR	305805.2RSR	62	25	20.6	400	1	4500	21.2	14.6	19.9	13.4	30.5	44	0.32
	306704.2Z	306804.2Z	62	20	22.2	400	1.1	9000	24.5	15.8	21.1	14.5	27	29	0.34
	306704.2RSR	306804.2RSR	62	20	22.2	400	1.1	6000	24.5	15.8	21.1	14.5	27	29	0.34
	305706.2Z	305806.2Z	72	30	23.8	400	1	6000	29.6	21.2	27.6	18.6	34	49	0.49
	305706.2RSR	305806.2RSR	72	30	23.8	400	1	4000	29.6	21.2	27.6	18.6	34	49	0.49
	306705.2Z	306805.2Z	72	25	25.4	400	1.1	7900	32.5	21.6	27.5	19.5	34.5	39	0.5
	306705.2RSR	306805.2RSR	72	25	25.4	400	1.1	5200	32.5	21.6	27.5	19.5	34.5	39	0.5
	305707.2Z	305807.2Z	80	35	27	400	1.1	5300	39	28.5	35.1	24	31	44	0.65
	305707.2RSR	305807.2RSR	80	35	27	400	1.1	3500	39	28.5	35.1	24	31	44	0.65
	306706.2Z	306806.2Z	80	30	30.2	400	1.1	6200	45.5	31.5	36.5	26.5	43.5	53	0.67
	306706.2RSR	306806.2RSR	80	30	30.2	400	1.1	4100	45.5	31.5	36.5	26.5	43.5	53	0.67
	305708.2Z	305808.2Z	85	40	30.2	400	1.1	5000	50	37.5	34.5	22.5	208.8	36	0.75
	305708.2RSR	305808.2RSR	85	40	30.2	400	1.1	5000	50	37.5	34.5	22.5	208.8	36	0.75
	306707.2Z	306807.2Z	90	35	34.9	400	1.5	5100	56	39.5	44.5	33	39.5	66	0.95
	306707.2RSR	306807.2RSR	90	35	34.9	400	1.5	2400	56	39.5	44.5	33	39.5	66	0.95
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