Custom Single Row Tapered Roller Bearings Manufacturers, Suppliers

Single Row Tapered Roller Bearings Custom

Categories

Single Row Tapered Roller Bearings Suppliers

Metric Series
Inch series

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.
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	-- --	-- --

Model		Dimensions								Extreme speed		Rated load		Calculation factor			Abutment and fillet dimensions(mm)						Weight [kg]
DIN720	ISO355	d	D	B	C	T	r1,r2 min	r3,r4 min	a	Grease lubrication	Oil lubrication	Dynamic load	Static load	e	Y	Yo	Da max	db min	da min	Db min	Ca min	Cb min	Weight [kg]
3226	T4FD130	130	230	64	54	67.75	4	3	56	1500	2000	570	865	0.44	1.38	0.76	146	144	193	219	7	13.5	11.7
30202	--	15	35	11	10	11.75	0.6	0.6	10	12000	17000	12.2	11.4	0.46	1.3	0.72	21	21	29	32	2	2	0.06
30203	T2DB017	17	40	12	11	13.25	1	1	10	10000	15000	20	20	0.35	1.74	0.96	23	23	34	37	2	2	0.08
30204	T2DB020	20	47	14	12	15.25	1	1	11	8500	12000	28.5	29	0.35	1.74	0.96	27	26	40	43	2	3	0.13
30205	T3CC025	25	52	15	13	16.25	1	1	13	7500	10000	32.5	35.5	0.37	1.6	0.88	31	31	44	48	2	3	0.16
30206	T3DB030	30	62	16	14	17.25	1	1	14	6300	8500	44	49	0.37	1.6	0.88	37	36	53	57	2	3	0.22
30207	T3DB035	35	72	17	15	18.25	1.5	1.5	15	5300	7000	54	60	0.37	1.6	0.88	440	42	62	67	3	3	0.32
30208	T3DB040	40	80	18	16	19.75	1.5	1.5	17	4800	6300	62	68	0.37	1.6	0.88	49	47	69	74	3	3.5	0.43
30210	T3DB050	50	90	20	17	21.75	1.5	1.5	20	4300	5600	80	96.5	0.42	1.43	0.79	58	57	79	85	3	4.5	0.54
30211	T3DB055	55	100	21	18	22.75	2	1.5	21	3800	5000	91.5	108	0.4	1.48	0.81	64	64	88	94	4	4.5	0.7
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
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
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
30215	T4DB075	75	130	25	22	27.25	2	1.5	27	2800	3800	137	173	0.44	1.38	0.76	86	84	115	124	4	5	1.4
30216	T3EB080	80	140	26	22	28.25	2.5	1.5	28	2400	3400	156	193	0.42	1.43	0.79	91	90	124	132	4	6	1.6
30217	T3EB085	85	150	28	24	30.5	2.5	2	30	2200	3200	180	228	0.42	1.43	0.79	97	95	132	141	5	6.5	2.1
30218	T3FB090	90	160	30	26	32.5	2.5	2	32	2000	3000	204	260	0.42	1.43	0.79	103	100	140	150	5	6.5	2.6
30219	T3FB095	95	170	32	27	34.5	3	2.5	34	1900	2800	224	285	0.42	1.43	0.79	110	107	149	159	5	7.5	3.2
30220	T3FB100	100	180	34	29	37	3	2.5	36	1900	2800	250	325	0.42	1.43	0.79	116	112	157	168	5	8	3.8
30221	T3FB105	105	190	36	30	39	3	2.5	38	1800	2600	280	365	0.42	1.43	0.79	122	117	165	177	6	9	4.2
30222	T3FB110	110	200	38	32	41	3	2.5	39	1700	2400	315	415	0.42	1.43	0.79	129	122	174	187	6	9	5.2
30224	T4FB120	120	215	40	34	43.5	3	2.5	43	1600	2200	340	455	0.44	1.38	0.76	140	132	187	201	6	9.5	6.8
30226	T4FB130	130	230	40	34	43.75	4	3	46	1500	2000	360	480	0.44	1.38	0.76	152	144	203	217	7	9.5	7.2
30228	T4FB140	140	250	42	36	45.75	4	3	47	1400	1900	425	570	0.44	1.38	0.76	163	154	219	234	9	9.5	8.5
30230	T4GB150	150	270	45	38	49	4	3	52	1300	1800	475	640	0.44	0.38	0.76	175	164	234	250	9	11	11.1
30232	T4GB160	160	290	48	40	52	4	3	51	1100	1600	405	585	0.37	1.61	0.89	189	174	252	269	9	12	13.2
30234	T4GB170	170	310	52	43	57	5	4	60	1000	1500	600	830	0.44	1.38	0.78	203	188	269	288	8	14	17
30236	T4GB180	180	320	52	43	57	5	4	62	1000	1500	570	800	0.45	1.33	0.73	211	198	278	297	9	14	17.9
30238	T4GB190	190	340	55	46	60	5	4	62	950	1400	530	780	0.39	1.56	0.86	224	207	298	318	9	14	21
30240	T4GB200	200	360	58	48	64	5	4	69	900	1300	1320	2160	0.44	2.31	1.52	237	217	315	336	9	16	25.1
30244	T4GB220	220	400	65	54	72	5	4	75	850	1200	950	1320	0.42	1.43	0.79	255	237	348	371	10	18	34.6
30248	--	240	440	72	60	79	5	4	--	800	1100	990	1400	0.44	1.4	0.74	290	267	401	422	--	--	45.2
30252	--	260	480	80	67	89	6	5	--	700	950	1190	1700	0.44	1.4	0.74	318	291	438	461	--	--	60.7
30256	--	280	500	80	67	89	6	5	--	700	950	1240	1900	0.44	1.4	0.74	336	313	456	478	--	--	66.3
30260	--	300	540	95	71	96	6	5	--	650	920	1440	2100	0.44	1.4	0.74	357	331	493	517	--	--	80.6
30264	--	320	580	92	75	104	6	5	--	600	800	1640	2420	0.44	1.4	0.74	382	354	529	554	--	--	99.3
30272	--	360	680	150	125	165	7.5	7.5	--	480	630	3690	6300	0.6	1	0.6	394	416	551	646	--	--	260

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Industry Knowledge Expansion About This Category

1: The Importance of Single Row Tapered Roller Bearings in Industrial Applications

Single row tapered roller bearings play a pivotal role in ensuring the smooth and efficient operation of a wide array of industrial machinery and equipment. Their unique design, which consists of an inner cone assembly and an outer cup, allows them to effectively manage both radial and axial loads. This dual-load capacity capability makes them an indispensable component across industries such as automotive, aerospace, construction, and manufacturing, where heavy machinery is a staple.

In the automotive sector, single row tapered roller bearings are commonly found in wheel hubs, providing stability and rotational precision. In aerospace, they are integral to the performance of landing gear systems, enabling controlled and safe landings. Moreover, in manufacturing and construction, these bearings are used in various applications, from conveyor systems to heavy-duty machinery, ensuring reliable and efficient movement under diverse operating conditions.

The significance of these bearings in critical applications underscores the need for selecting reputable and reliable suppliers who can meet stringent quality and performance requirements.

2: Key Considerations When Evaluating Single Row Tapered Roller Bearings Suppliers

When embarking on the task of identifying the most suitable single row tapered roller bearings supplier for your needs, a comprehensive evaluation of potential candidates is imperative. Several key considerations can guide this evaluation process:

Quality and Certification:

Quality is non-negotiable when it comes to selecting a bearings supplier. It's imperative to opt for a supplier that adheres to internationally recognized quality standards, with certifications such as ISO 9001. Such certifications validate that the supplier follows rigorous manufacturing processes, utilizing high-grade materials, and implementing stringent quality control measures. A reputable supplier will readily provide insights into their quality assurance protocols and furnish detailed information about the materials used in the bearing manufacturing process.

Product Range and Customization:

The versatility of single row tapered roller bearings lies in their applicability across various industries and applications. Thus, a supplier offering a comprehensive range of bearing sizes, load capacities, and configurations is desirable. Additionally, the supplier's capability to offer customization is a crucial factor. Customization may involve tailoring bearings to specific requirements, such as load ratings, dimensions, and even specialized materials for extreme operating conditions. The ability to obtain tailor-made solutions can significantly enhance machinery performance and efficiency.

Technical Expertise:

Collaborating with a bearings supplier with a dedicated team of skilled engineers can be a game-changer. These experts can provide invaluable guidance in selecting the right bearings for specific applications. From load calculations to optimal bearing arrangements, their expertise ensures that the chosen bearings are ideally suited to handle the operational demands, thereby enhancing machinery reliability and lifespan.

Lead Times and Logistics:

Timely availability of bearings is crucial to minimize downtime and maintain seamless operations. Inquiring about a supplier's lead times, inventory management practices, and distribution network is essential. A well-structured logistics system ensures that bearings are delivered when needed, mitigating potential disruptions and costly delays.

3: Building a Long-Term Partnership with Your Single Row Tapered Roller Bearings Supplier

Procuring bearings from a supplier is not merely a transactional exchange but the foundation of a lasting partnership. Establishing and nurturing this partnership involves several key steps:

Regular Communication:

Maintaining an open line of communication with your supplier is pivotal. Regularly updating them about changes in production schedules, order quantities, or any shifts in requirements helps them anticipate your needs. This proactive approach can prevent potential supply chain hiccups and allows the supplier to align their processes with your evolving demands.

Feedback Loop:

Constructive feedback is the cornerstone of improvement. When supplied bearings perform exceptionally well, communicating this to the supplier reinforces the value of their products. Conversely, when challenges arise, providing detailed feedback on the issues encountered facilitates collaborative problem-solving. This loop of feedback and improvement fosters mutual growth and quality enhancement.

Collaborative Problem Solving:

The resilience of any partnership is tested when challenges arise. In the event of unforeseen failures or issues, collaborating with your supplier is paramount. Together, you can investigate the root causes, identify corrective measures, and implement solutions that prevent future recurrences. This willingness to tackle problems jointly speaks volumes about the supplier's commitment to your success.

Long-Term Agreements:

Forging long-term agreements with preferred suppliers can yield substantial benefits. These agreements not only solidify pricing stability but also assure a consistent supply of high-quality bearings. By committing to a long-term partnership, you provide your supplier with the confidence to invest in maintaining superior product quality and service levels.

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+86-13957821917
Fax
+86-574-86597652

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Are there any specific alignment requirements for screw compressor bearings to optimize performance and reduce wear?

What are the best practices for installing and mounting bearings in engineering machinery to ensure proper functionality?

What are the potential risks associated with over-lubrication or under-lubrication of motor bearings?

How do factors such as load capacity and rotational speed requirements influence the selection of bearings for different agricultural applications?

What role does lubrication play in ensuring the optimal performance of automobile bearings?

How to determine the appropriate interval for screw compressor bearing replacement?

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Are there any specific alignment requirements for screw compressor bearings to optimize performance and reduce wear?

What are the best practices for installing and mounting bearings in engineering machinery to ensure proper functionality?

What are the potential risks associated with over-lubrication or under-lubrication of motor bearings?

How do factors such as load capacity and rotational speed requirements influence the selection of bearings for different agricultural applications?

What role does lubrication play in ensuring the optimal performance of automobile bearings?

How to determine the appropriate interval for screw compressor bearing replacement?

Industry Knowledge Expansion About This Category

CONTACT US

Tel

Email

Phone

Fax

Add