Double Row Deep Groove Ball bearings

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Design Variants

Misalignment

Cage

Tolerance

Internal clearance

Double row deep groove ball bearings have two basil design variants, one is with filling slot, the other is without filling slots.

DHK double row deep groove ball bearings have the latest design (suffix B), without filling slots. Thus they are able to accommodate axial force equally well in both directions.

Double row deep groove ball bearings have two basil design variants, one is with filling slot, the other is without filling slots.
DHK double row deep groove ball bearings have the latest design (suffix B), without filling slots. Thus they are able to accommodate axial force equally well in both directions.
DHK double row deep groove ball bearings are fitted with polyamide cages (suffix TV) as standard.

DHK double row deep groove ball bearings are produced with normal tolerance class (PN) as standard.

For detailed values please see chapter of tolerance of radial bearings, page 8.

Tolerances for DHK double row deep groove 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

DHK double row deep groove ball bearings are produced with normal internal clearance (CN) as standard. Bearings with other internal clearance group may be produced upon request.

Detailed values are listed in chapter of tolerance of radial bearings, page 34.

DHK Single Row/Double Row Deep Groove Ball Bearing Radial Clearance Standard

Bore Dia.(mm)		C2(um)	CN(um)		C3(um)	C4(um)		C5(um)
<=	<=
2.5 6		0 7	2 13		8 23	-- --		-- --
6 10		0 7	2 13		8 23	14 29		20 37
10 18		0 9	3 18		11 25	18 33		25 45
18 24		0 10	5 20		13 28	20 36		28 48
24 30		1 11	5 20		13 28	23 41		30 53
30 40		1 11	6 20		15 33	28 46		40 64
40 50		1 11	6 23		18 36	30 51		45 73
50 65		1 15	8 28		23 43	38 61		55 90
65 80		1 15	10 30		25 51	46 71		65 105
80 100		1 18	12 36		30 58	53 84		75 120
100 120		2 20	15 41		36 66	61 97		90 140
120 140		2 23	18 48		41 81	71 114		105 160
140 160		2 23	18 53		46 91	81 130		120 180
160 180		2 25	20 61		53 102	91 147		135 200
180 200		2 30	25 71		63 117	107 163		150 230
200 225		4 32	28 82		73 132	120 187		175 255
225 250		4 36	31 92		87 152	140 217		205 290
250 280		4 39	36 97		97 162	152 237		225 320
280 315		8 45	42 110		110 180	175 260		260 360
315 355		8 50	50 120		120 200	200 290		290 405
355 400		8 60	60 140		140 230	230 330		330 460
400 450		10 70	70 160		160 260	260 370		370 520
450 500		10 80	80 180		180 290	290 410		410 570
500 560		20 90	90 200		200 320	320 460		460 630
560 630		20 100	100 220		220 350	350 510		540 700
630 710		30 120	120 250		250 390	390 560		560 780
710 800		30 130	130 280		280 440	440 620		620 860
800 900		30 150	150 310		310 490	490 690		690 960
900 1000		40 160	160 340		340 540	540 760		760 1040
1000 1120		40 170	170 370		370 590	590 840		840 1120
1120 1250		40 180	180 400		400 640	640 910		910 1220
1250 1400		60 210	210 440		440 700	700 1000		1000 1340
1400 1600		60 230	230 480		480 770	770 1100		1100 1470
1600 1800		60 250		250 520	520 830		830 1220	1220 1650

Dimensions and Parameters

Inquiry	Designation	Dimensions（mm）				Load ratings(kN)		Speed ratings(rpm )		Mass
Inquiry	Designation	d	D	B	r1,r2 Min	dyn Cr	stat Cor	grease	oil	Kg
	4220B.TV	100	180	46	2.1	140	156	2600	3200	4.7
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