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
	7314AC	70	150	35	2.1	1.1	129	96.3	4000	5300	3.06
	7314B	70	150	25	2.1	1.1	114	86.5	3800	5000	2.7
	7414AC	70	180	42	3	1.1	150	131	3600	4800	5.22
	7015C	75	115	20	1.1	0.6	49.5	48	4800	6300	0.63
	7015AC	75	115	20	1.1	0.6	46.8	45.5	4800	6300	0.671
	7215C	75	130	25	1.5	0.6	79.2	63.7	4300	5600	1.29
	721 5AC	75	130	25	1.5	0.6	78.8	67	4300	5600	1.2
	7215B	75	130	25	1.5	1	68	58.5	4000	5300	1.2
	7315C	75	160	37	2.1	1.1	145	113	3800	5000	3.56
	7315AC	75	160	37	2.1	1.1	139	109	3800	5000	3.56
	7315B	75	160	37	2.1	1.1	127	100	3400	4500	3.2
	7016C	80	125	22	1.1	0.6	58.5	56.8	4500	6000	0.85
	7016AC	80	125	22	1.1	0.6	55.4	55.1	4500	6000	0.85
	7216C	80	140	26	2	1	92.8	83	4000	5300	1.45
	7216 AC	80	140	26	2	1	88.4	79	4000	5300	1.45
	7216B	80	140	26	2	1	80	69.5	3800	5000	1.5
	7316C	80	170	39	2.1	1.1	158	128	3600	4800	3.59
	7316AC	80	170	39	2.1	1.1	152	122	3600	4800	3.59
	7316B	80	170	39	2.1	1.1	140	114	3200	4300	4.3
	7416 AC	80	200	48	3	1.1	182	170	3200	4300	8.72
	7017C	85	130	22	1.1	0.6	62.5	61.7	4300	5600	0.89
	7017AC	85	130	22	1.1	0.6	59.2	59.2	4300	5600	0.89
	7217C	85	150	28	2	1	99.7	90	3800	5000	1.8
	7217AC	85	150	28	2	1	94.9	86	3800	5000	1.8
	7217B	85	150	28	2	1	90	80	3400	4500	1.9
	7317C	85	180	41	3	1.1	172	141	3400	4500	4.38
	7317AC	85	180	41	3	1.1	165	137	3400	4500	4.38
	7317B	85	180	41	3	1.1	150	127	3000	4000	4.6
	7018C	90	140	24	1.5	0.6	71.4	71.7	4000	5300	1.15
	7018AC	90	140	24	1.5	0.6	67.6	68.6	4000	5300	1.15
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