Single Row Angular Contact Ball Bearings

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Design Variants

Misalignment

Cage

Tolerance

Internal clearance

DHK single row angular contact ball bearings are non-separable radial bearings, Due to their different contact angles , they have four design variants.

1) Contact angle with 15 , bearing designation with suffix C.

2) Contact angle with 25 , bearing designation with suffix AC.

3) Contact angle with 35 , bearing designation with suffix A.

4) Contact angle with 40 , bearing designation with suffix B.

Paired Bearings：

Single row angular contact ball bearings are ofen used as pairs. DHK can produced different arrangements bearing pairs, the customer can use the pairs direct so to save the mounting works and avoid the mistake of adjusting the mounting clearance. The frequently used arrangement pairs as the follows.

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DHK single row angular contact ball bearings are non-separable radial bearings, Due to their different contact angles , they have four design variants.
1) Contact angle with 15 , bearing designation with suffix C.
2) Contact angle with 25 , bearing designation with suffix AC.
3) Contact angle with 35 , bearing designation with suffix A.
4) Contact angle with 40 , bearing designation with suffix B.

Paired Bearings：
Single row angular contact ball bearings are ofen used as pairs. DHK can produced different arrangements bearing pairs, the customer can use the pairs direct so to save the mounting works and avoid the mistake of adjusting the mounting clearance. The frequently used arrangement pairs as the follows.
Single row angular contact ball bearings have a very limited ability to accommodate misalignments. Any operating misalignments applied to this bearings will reduce their service life and generates higher running noise.
Normally, up to 2 angular minutes misalignment form the centre p0stion does not effact the bearings negatively.
DHK single row angular contact ball bearings are fitted with plastic cage (suffix TVP) as standard. Large size have machined solid brass(Suffix M) fitted as standard.
On reguest, DHK also can produce this bearing with pressed steel cage(suffix JP) or phenolic resin cage(Suffix TPA).

DHK single row angular contact ball bearings are produced to normal tolerance class(PN) as standard.

On request, DHK also can produce the bearings with closer tolerance, such as P6, P5 or P4.

Detailed values are listed in chapter of tolerance of redial bearing, page 8.

Tolerances for DHK single row angular contact ball bearings (excluding tapered roller bearings)

All dimensions shown in (mm):

Tolerances in (um):

Inner Ring

PN/(Normal)

Nominal Bore diameter		Deviation dmp	Variation Vdp Series			Variation Vdmp	Taper bore 1:12 Deviation/ Variation
>	<=	△dmp	7．8．9	0．1	2．3．4	Vdmp	△dmp	△d1mp-dmp	Vdp
2.5 10		0 -8	10	8	6	6	+15 0	+15 0	10
10 18		0 -8	10	8	6	6	+18 0	+18 0	10
18 30		0 -10	13	10	8	8	+21 0	+21 0	13
30 50		0 -12	15	12	9	9	+25 0	+25 0	15
50 80		0 -15	19	19	11	11	+30 0	+30 0	19
80 120		0 -20	25	25	15	15	+35 0	+35 0	25
120 180		0 -25	31	31	19	19	+40 0	+40 0	31
180 250		0 -30	38	38	23	23	+46 0	+46 0	38
250 315		0 -35	44	44	26	26	+52 0	+52 0	44
315 400		0 -40	50	50	30	30	+57 0	+57 0	50
400 500		0 -45	56	56	34	34	+63 0	+63 0	56
500 630		0 -50	63	63	38	38	+70 0	+70 0
630 800		0 -75					+80 0	+80 0
800 1000		0 -100					+90 0	+90 0
1000 1250		0 -125					+105 0	+105 0
1250 1600		0 -160
1600 2000		0 -200

Outer ring

PN/(Normal)

Nominal Outer diameter		Deviation	Variation Vdp Series			Sealed bearing	Variation	Radial runout
>	<=	△Dmp	7．8．9	0．1	2．3．4	2 3 4	VDmp	Kea
6 18		0 -8	10	8	6	10	6	15
18 30		0 -9	12	9	7	12	7	15
30 50		0 -11	14	11	8	16	8	20
50 80		0 -13	16	13	10	20	10	25
80 120		0 -15	19	19	11	26	11	35
120 150		0 -18	23	23	14	30	14	40
150 180		0 -25	31	31	19	38	19	45
180 250		0 -30	38	38	23		23	50
250 315		0 -35	44	44	26		26	60
315 400		0 -40	50	50	30		30	70
400 500		0 -45	56	56	34		34	80
500 630		0 -50	63	63	38		38	100
630 800		0 -75	94	94	55		55	120
800 1000		0 -100	125	125	75		75	140
1000 1250		0 -125						160
1250 1600		0 -160						190
1600 2000		0 -200						220
2000 2500		0 -250						250

Dimensions and Parameters

Inquiry	Designations	Boundary dimensions					Load ratings[KN]		Speed ratings[rpm]		Mass
Inquiry	Designations	d	D	B	r1,r2 Min	a ≈	Dynmic Cr	stat Cor	grease	oil	Mass
	7072CM	360	540	82	5	2	409	960	800	1100	65.4
	7072BM	360	540	82	5	2	462	850	800	1100	62.5
	71976BM	380	520	65	4	1.5	345	650	800	1000	42.1
	7076BM	380	560	82	5	2	468	880	750	1000	65.5
	7080BM	400	600	90	5	2	527	1020	700	950	85
	7280BM	400	720	103	6	3	728	1500	600	800	190
	71984BM	420	560	65	4	1.5	364	670	700	950	44.5
	7084BM	420	620	90	5	2	550	1070	600	800	90.6
	7284BM	420	760	109	7.5	4	695	1460	600	800	220
	7088BM	440	650	94	6	3	572	1180	630	850	100
	71892ACM	460	580	56	3	2	303	559	670	830	36.4
	71992BM	460	620	74	4	1.5	439	865	550	750	64.1
	71992ACM	460	620	74	4	2	507	1040	850	1200	58
	7092BM	460	680	100	6	3	618	1290	600	800	120
	7096BM	480	700	100	6	3	624	1340	560	750	125
	70/500BM	500	720	100	6	3	637	1400	560	750	130
	718/530ACM	530	650	56	3	1.5	410	930	1100	1600	39.5
	719/530ACM	530	710	82	5	2	610	1320	1000	1500	92
	719/530ACM	530	710	82	5	2.1	541	1136	500	700	88.8
	70/530BM	530	780	112	6	3	741	1700	500	670	180
	718/600CM	600	730	60	3	1.1	425	887	380	500	60.7
	718/600ACM	600	730	60	3	1.1	468	11600	560	750	47
	719/630ACM	630	850	100	6	2.1	855	2100	350	440	161
	718/670ACM	670	820	69	4	1.5	553	1290	850	1200	80
	718/710ACM	710	870	74	4	1.5	600	1600	800	1100	93.5
	719/710ACM	710	950	106	6	3	850	2200	800	1100	195
	718/750ACM	750	920	78	5	2	650	1800	400	530	100
	78/1000X2ACM	1000	1220	50	4	2.1	409	1178	120	150	155
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