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Single Row Tapered Roller Bearings (Metric Series)

Products And Drawings

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Design Variants

Cage

Tolerance

Internal clearance

Additional the standard metric single row taper roller bearings listed in the bearing table, DHK also produced single row taper roller bearings with flanges on outer rings (suffix R), only outer rings of taper roller bearing (prefix L), inner rings with the cage and rollers (prefix R) and other special taper roller bearings according to customer

Due to the single row taper roller bearings only can accommodate one direction axial force, these bearings are frequently used as pairs. Upon request, DHK can provide these bearings at Face- to-Face arrangement (suffix DF), Back-to-Back arrangement (suffix DB) or in tandem arrangement (suffix DT), as shown in the below sketch.

图片1.png

Additional the standard metric single row taper roller bearings listed in the bearing table, DHK also produced single row taper roller bearings with flanges on outer rings (suffix R), only outer rings of taper roller bearing (prefix L), inner rings with the cage and rollers (prefix R) and other special taper roller bearings according to customer
Due to the single row taper roller bearings only can accommodate one direction axial force, these bearings are frequently used as pairs. Upon request, DHK can provide these bearings at Face- to-Face arrangement (suffix DF), Back-to-Back arrangement (suffix DB) or in tandem arrangement (suffix DT), as shown in the below sketch.
DHK taper roller bearings are fitted with pressed steel cages as standard. Because the cages of taper roller bearings usually protrude beyond the bearing faces, special care must be taken to follow the recommended abutment dimensions.

DHK single row taper roller bearings are produced to normal tolerance class (PN) as standard.

These bearings also may be produced with closer tolerance such as P6X on request.

Detail tolerance values are listed in the chapter of tolerance of metric taper roller bearings, page 14. The width tolerance of paired bearings is decided by the clearance and Ts.

Tolerances for DHK metric taper roller bearings (excluding tapered roller bearings)

All dimensions shown in (mm):

Tolerances in (um):

Inner Ring

Tolerance class PN/(Normal)

Nominal bore diameter		Deviation	Variation	Variation	Ring width deviation	Radial runout	Ring width deviation
<=	<=	△dmp	Vdp	Vdmp	△Bs	Kia	△Ts	△T1s	△T2s
10 18		0 -12	12	9	0 -120	15	+2000	+1000	+1000
18 30		0 -12	12	9	0 -120	18	+2000	+1000	+1000
30 50		0 -12	12	9	0 -120	20	+2000	+1000	+1000
50 80		0 -15	15	11	0 -150	25	+2000	+1000	+1000
80 120		0 -20	20	15	0 -200	30	+200 -200	+100 -100	+100 -100
120 180		0 -25	25	19	0 -250	35	+350 -250	+150 -150	+200 -100
180 250		0 -30	30	23	0 -300	50	+350 -250	+150 -150	+200 -100
250 315		0 -35	35	26	0 -350	60	+350 -250	+150 -150	+200 -100
315 400		0 -40	40	30	0 -400	70	+400 -400	+200 -200	+200 -200
400 500		0 -45	45	34	0 -450	85	+400 -400
500 630		0 -50	50	38	0 -500	100	+500 -500
630 800		0 -75	75	56	0 -750	120	+600 -600
800 1000		0 -100	100	75	0 -1000	120	+750 -750
1000 1250		0 -1250			0 -1250	120	+1000 -1000
1250 1600		0 -160			0 -1600	120	+1500 -1500
1600 2000		0 -200			0 -2000	120	+1500 -1500

Outer Ring

Tolerance class PN/(Normal)

Nominal outer diameter		Deviation	Variation	Variation	Radial runout
<=	<=	△Dmp	VDp	VDmp	Kia
18 30		0 -12	12	9	18
30 50		0 -14	14	11	20
50 80		0 -16	16	12	25
80 120		0 -18	18	14	35
120 150		0 -20	20	15	40
150 180		0 -25	25	19	45
180 250		0 -30	30	23	50
250 315		0 -35	35	26	60
315 400		0 -40	40	30	70
400 500		0 -45	45	34	80
500 630		0 -50	50	38	100
630 800		0 -70	70	55	120
800 1000		0 -100	100	75	120
1000 1250		0 -125	125	94	120
1250 1600		0 -160	160	120	120
1600 2000		0 -200			120
2000 2500		0 -250

Tolerances for DHK metric taper roller bearings (excluding tapered roller bearings)

All dimensions shown in (mm):

Tolerances in (um):

Inner Ring

Tolerance class P6X

Nominal bore diameter		Deviation	Variation	Variation	Ring width deviation	Radial runout	Ring width deviation
<=	<=	△dmp	Vdp	Vdmp	△Bs	Kia	△Ts	△T1s	△T2s
10 18		0 -12	12	9	0 -50	15	+100 0	+50～0	+50～0
18 30		0 -12	12	9	0 -50	18	+100 0	+50～0	+50～0
30 50		0 -12	12	9	0 -50	20	+100 0	+50～0	+50～0
50 80		0 -15	15	11	0 -50	25	+100 0	+50～0	+50～0
80 120		0 -20	20	15	0 -50	30	+100 0	+50～0	+50～0
120 180		0 -25	25	19	0 -50	35	+150 0	+50～0	+100～0
180 250		0 -30	30	23	0 -50	50	+150 0	+50～0	+100～0
250 315		0 -35	35	26	0 -50	60	+200 0	+100～0	+100～0
315 400		0 -40	40	30	0 -50	70	+200 0	+100～0	+100～0
400 500
500 630
630 800
800 1000

Outer Ring

Tolerance class P6X

Nominal outer diameter		Deviation	Variation	Variation	Ring width deviation	Radial runout
<=	<=	△Dmp	VDp	VDmp	△Cs	Kea
18 30		0 -12	12	9	0 -100	18
30 50		0 -14	14	11	0 -100	20
50 80		0 -16	16	12	0 -100	25
80 120		0 -18	18	14	0 -100	35
120 150		0 -20	20	15	0 -100	40
150 180		0 -25	25	19	0 -100	45
180 250		0 -30	30	23	0 -100	50
250 315		0 -35	35	26	0 -100	60
315 400		0 -40	40	30	0 -100	70
400 500		0 -45	45	34	0 -100	80
500 630		0 -50	50	38	0 -100	100
630 800
800 1000

The width tolerance △Cs is identical to△Bs of inner ring of the same bearing

Tolerances for DHK metric taper roller bearings (excluding tapered roller bearings)

All dimensions shown in (mm):

Tolerances in (um):

Inner Ring

Tolerance class P5

Nominal bore diameter		Deviation	Variation	Variation	Ring width deviation	Radial runout	Side face runout
<=	<=	△dmp	Vdp	Vdmp	△Bs	Kia	Ｓd	△Ts
10 18		0 -7	5	5	0 -200	5	7	+200 -200
18 30		0 -8	6	5	0 -200	5	8	+200 -200
30 50		0 -10	8	5	0 -240	6	8	+200 -200
50 80		0 -12	9	6	0 -300	7	8	+200 -200
80 120		0 -15	11	8	0 -400	8	9	+200 -200
120 180		0 -18	14	9	0 -500	11	10	+350 -250
180 250		0 -22	17	11	0 -600	13	11	+350 -250
250 315		0 -25	19	13	0 -700	16	13	+350 -250
315 400		0 -30	23	15	0 -800	19	15	+400 -400
400 500		0 -35	26	18	0 -900	22	17	+400 -400
500 630		0 -40	30	20	0 -1000	26	20	+500 -500
630 800		0 -50	50	25	0 -1500	30	26	+600 -600
800 1000		0 -65	60	30	0 -2000	35	32	+750 -750

Outer Ring

Tolerance class P5

Nominal outer diameter		Deviation	Variation	Variation	Radial runout	Outside inclination variation
<=	<=	△Dmp	VDp	VDmp	Kea
18 30		0 -8	6	5	6	8
30 50		0 -9	7	5	7	8
50 80		0 -11	8	6	8	8
80 120		0 -13	10	7	10	9
120 150		0 -15	11	8	11	10
150 180		0 -18	14	9	13	10
180 250		0 -20	15	10	15	11
250 315		0 -25	19	13	18	13
315 400		0 -28	22	14	20	13
400 500		0 -33	25	17	23	15
500 630		0 -38	29	19	25	18
630 800		0 -45	34	23	30	20
800 1000		0 -60	45	30	35	25
1000 1250		0 -80	75	38	40	30
1250 1600		0 -100	90	45	45	35

The width tolerance △Cs is identical to△Bs of inner ring of the same bearing

Tolerances for DHK metric taper roller bearings (excluding tapered roller bearings)

All dimensions shown in (mm):

Tolerances in (um):

Inner Ring

Tolerance class P4

Nominal bore diameter		Deviation	Variation	Variation	Ring width deviation	Radial runout	Side face runout	Side face runout	Ring width deviation
<=	<=	△dmp △ds	Vdp	Vdmp	△Bs	kia	Sd	Sia	△Ts
10 18		0 -5	4	4	0 -200	3	3	3	+200 -200
18 30		0 -6	5	4	0 -200	3	4	4	+200 -200
30 50		0 -7	6	5	0 -240	4	4	4	+200 -200
50 80		0 -8	7	5	0 -300	4	5	4	+200 -200
80 120		0 -10	8	5	0 -400	5	5	5	+200 -200
120 180		0 -13	10	7	0 -500	6	6	7	+350 -250
180 250		0 -15	11	8	0 -600	8	7	8	+350 -250

Outer Ring

Tolerance class P4

Nominal outer diameter		Deviation	Variation	Variation	Radial runout	Outside inclination variation	Side face runout
<=	<=	△Dmp △Ds	VDp	VDmp	Kea	SD	Sea
18 30		0 -6	5	4	4	4	5
30 50		0 -7	5	5	5	4	5
50 80		0 -9	7	5	5	4	5
80 130		0 -10	8	5	6	5	6
130 150		0 -11	8	6	7	5	7
150 180		0 -13	10	7	8	5	8
180 250		0 -15	11	8	10	7	10
250 315		0 -18	14	9	11	8	10
315 400		0 -20	15	10	13	10	13

The width tolerance △Cs and VCs are identical to△Bs and VBs of inner ring of the same bearing

The clearance of single row taper roller bearings is adjusted one bearing against another during mounting.

DHK taper roller bearing pairs arranged face-to- face (suffix DF) and back-to-back(suffix DB) are produced with internal clearance values, as listed in the table below. DHK can provide bearing pairs with special axial clearance upon request.

Axial Internal Clearance Of Paired DHK taper roller bearings,arranged face to face(DF) and back to back(DB)

Bore Dia. (mm)		Axial intcrnal clearance Series（μm）
>	<=	329 Min max	320 Min max X	330 Min max	331，3．2，332，332 Min max	303，323 Min max	313 Min max
-- 30		-- --	80 120	-- --	100 140	130 170	60 100
30 40		-- --	100 140	-- --	120 160	140 180	70 110
40 50		-- --	120 160	180 220	140 180	160 200	80 120
50 65		-- --	140 180	200 240	160 200	180 220	100 140
65 80		-- --	160 200	250 290	180 220	200 260	110 170
80 100		270 310	190 230	350 390	210 270	240 300	110 170
100 120		270 330	220 280	340 400	220 280	280 340	130 190
120 140		310 370	240 300	340 400	240 300	330 390	160 220
140 160		370 430	270 330	340 400	270 330	370 430	180 240
160 180		370 430	310 370	-- --	310 370	390 450	-- --
180 190		370 430	340 400	-- --	340 400	440 500	-- --
190 200		390 450	340 400	-- --	340 400	440 500	-- --
200 225		440 500	390 450	-- --	390 450	490 550	-- --
225 250		440 500	440 500	-- --	440 500	540 600	-- --
250 280		540 500	490 55	-- --	490 550	-- --	-- --
280 300		640 700	540 600	-- --	540 600	-- --	-- --
300 340		640 700	590 650	-- --	590 650	-- --	-- --

Dimensions and Parameters

Inquiry	Designation		Boundary dimensions(mm)								Speed ratings		Load ratings[kN]		Calculation factors			Abutment and fillet dimensions(mm)						Mass (kg)
Inquiry	DIN720	ISO355	d	D	B	C	T	r1,r2 min	r3,r4 min	a	grease	oil	dyn Cr	stat Cor	e	Y	Y0	Da max	db min	Da min	Db min	Ca min	Cb min	Mass (kg)
	32211	T3DC055	55	100	25	21	26.75	2	1.5	23	3600	4800	110	137	0.4	1.48	0.81	63	64	87	95	4	5.5	0.87
	33211	T3DE055	55	100	35	27	35	2	1.5	26	3400	4500	137	196	0.4	1.5	0.83	62	64	85	96	6	8	1.21
	30311	T2FB055	55	120	29	25	31.5	2.5	2	25	3200	4300	153	176	0.35	1.74	0.96	71	65	104	111	4	6.5	1.8
	31311	T7FB055	55	120	29	21	31.5	2.5	2	39	2800	3800	125	140	0.83	0.73	0.4	68	65	94	113	4	10.5	1.6
	32311	T5FD055	55	120	43	35	45.5	2.5	2	30	2800	3800	196	270	0.35	1.1	0.6	65	65	91	112	5	10.5	2.55
	32012X	T4CC060	60	95	23	17.5	23	1.5	1.5	21	3800	5000	83	125	0.43	1.39	0.77	67	67	85	91	4	55	0.63
	33012	T2CE060	60	95	27	21	27	1.5	1.5	20	3800	5000	96.5	150	0.33	0.83	1.01	67	67	85	90	5	6	0.73
	33112	T3CE060	60	100	30	23	30	1.5	1.5	23	3600	4800	116	173	0.4	1.51	0.83	67	67	88	96	5	7	0.89
	30212	T3EB060	60	110	22	19	23.75	2	1.5	22	3400	4500	104	122	0.4	1.48	0.81	70	69	96	103	4	4.5	0.92
	32212	T3EC060	60	110	28	24	29.75	2	1.5	24	3400	4500	134	170	0.4	1.48	0.81	69	69	95	104	4	5.5	1.14
	33212	T3EE060	60	110	38	29	38	2	1.5	28	3000	4000	170	240	0.4	1.48	0.82	69	69	93	105	6	9	1.5
	30312	T2FB060	60	130	31	26	33.5	3	2.5	26	3000	4000	176	204	0.35	1.74	0.96	77	72	112	120	5	7.5	2.1
	31312	T7FB060	60	130	31	22	33.5	3	2.5	41	2600	3600	145	170	0.83	0.73	0.4	73	72	103	123	5	11.5	1.9
	32312	T5FD060	60	130	46	37	48.5	3	2.5	39	2600	3600	224	305	0.55	1.1	0.6	71	72	100	122	6	11.5	3.15
	32013X	T4CC065	65	100	23	17.5	23	1.5	1.5	23	3400	4500	83	129	0.46	1.31	0.72	72	72	90	97	4	5.5	0.62
	33013	T2CE065	65	100	27	21	27	1.5	1.5	21	3400	4500	100	163	0.35	1.72	0.95	72	72	89	96	5	6	0.78
	33113	T3CE065	65	110	34	26.5	34	1.5	1.5	26	3200	4300	150	228	0.39	1.55	0.85	73	72	96	106	6	7.5	1.34
	30213	T3EB065	65	120	23	20	24.75	2	1.5	23	3000	4000	120	143	0.4	1.48	0.81	77	74	106	113	4	4.5	1.1
	32213	T3EC065	65	120	31	27	32.75	2	1.5	27	3000	4000	156	200	0.4	1.48	0.81	76	74	104	115	4	5.5	1.59
	33213	T3EE065	65	120	42	32	41	2	1.5	30	2800	3800	204	285	0.39	1.54	0.85	74	74	102	115	6	9	2.04
	30313	T2GB065	65	140	33	28	36	3	2.5	28	2600	3600	196	288	0.35	1.74	0.96	83	77	122	130	5	8	2.4
	31313	T7GB065	65	140	33	23	36	3	2.5	44	2200	3200	163	190	0.83	0.73	0.4	79	77	111	132	5	13	2.6
	32313	T5GD065	65	140	48	39	51	3	2.5	41	2200	3200	250	345	0.55	1.1	0.6	77	77	109	133	6	12	3.82
	32014X	T4CC070	70	110	25	19	25	1.5	1.5	24	3200	4300	106	163	0.43	1.38	0.76	78	77	98	105	5	6	0.97
	33014	T2CE070	70	110	31	25.5	31	1.5	1.5	22	3200	4300	137	224	0.28	2.11	1.16	78	77	99	105	5	5.5	1.14
	33114	T3DE070	70	120	37	29	37	2	1.5	28	3000	4000	176	260	0.38	1.58	0.87	79	79	104	115	6	8	1.75
	30214	T3EB070	70	125	24	21	26.25	2	1.5	25	3000	4000	132	163	0.42	1.43	0.79	81	79	110	118	4	5	1.2
	32214	T3EC070	70	125	31	27	33.25	2	1.5	28	2800	3800	163	216	0.42	1.43	0.79	80	79	108	119	4	6	1.7
	33214	T3EE070	70	125	41	32	41	2	1.5	31	2600	3600	212	300	0.41	1.47	0.81	79	79	107	120	7	9	2.06
	30314	T2GB070	70	150	35	30	38	3	2.5	30	2400	3400	224	265	0.35	1.74	0.96	89	82	130	140	5	8	3.1
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