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Tapered roller bearings

Tapered roller bearings consist of four interdependent components: the cone, or inner ring; the cup, or outer ring; the tapered rollers, or rolling elements; and the cage, or roller retainer. The taper angles allow the bearing to handle a combination of radial and thrust loads. The steeper the cup angle, the greater the ability of the tapered roller bearing to handle thrust loads.

Single-Row Tapered Roller Bearings 

The most basic and widely used tapered bearing, the single-row type consists of the cone assembly and the cup. It is usually fitted as one of an opposing pair. During equipment assembly, single-row bearings can be set to the required clearance (endplay) or preload condition to optimize performance.

Single-row tapered roller bearings have positive roller alignment that ensures true rolling motion and generates a “seating force” that pushes the roller against the cone large rib. This seating force prevents the rollers from skewing off apex, thereby keeping them positively aligned and located against the cone large rib.

Double-Row Tapered Roller Bearings 

Double- or two-row tapered roller bearings feature double cups and two single cones. They are available in a variety of configurations for general industrial and automotive applications.

Four-Row Tapered Roller Bearings 

Four-row bearings provide maximum capacity in minimum space, combining the inherent high-load, radial/thrust capacity and direct/indirect mounting variables of tapered roller bearings.

Their main application is on the roll necks of rolling mill equipment.  All four-row bearings are supplied as pre-set matched assemblies with all components identified to ensure correct installation sequence.

Product Information

Boundary Dimenssion           (mm)							Mass (KG)	Bearing Numbers	Basic Load Ratings(KN)		Limited Speed(rpm)
d	D	T	B	C	r1min	rsmin	approx		Cr	Cor	Grease	Oil
60	95	23.00	23	17.50	1.5	1.5	0.608	32012x	73.80	118.08	3500	4600
	95	27.00	27	21.00	1.5	1.5	0.713	33012	84.15	139.20	3500	4600
	100	30.00	30	23.00	1.5	1.5	0.910	33112	101.70	157.44	3400	4500
	110	23.75	22	19.00	2.0	1.5	0.930	30212	94.50	120.00	3200	4300
	110	29.75	28	24.00	2.0	1.5	1.180	32212	117.00	157.44	3200	4300
	110	38.00	38	29.00	2.0	1.5	1.560	33212	150.30	224.64	3200	4300
	130	33.50	31	26.00	3.0	2.5	2.030	30312	162.00	201.60	2900	3800
	130	48.50	46	37.00	3.0	2.5	2.960	32312	219.60	302.40	2900	3800
65	100	23.00	23	17.50	1.5	1.5	0.646	362013x	74.70	122.88	3200	4400
	100	27.00	27	21.00	1.5	1.5	0.760	33013	87.75	149.76	3200	4400
	110	34.00	34	26.50	1.5	1.5	1.320	33113	129.60	202.56	3100	4200
	120	24.50	23	20.00	2.0	1.5	1.180	30213	110.70	142.08	2900	4000
	120	32.75	31	27.00	2.0	1.5	1.550	32213	143.10	197.76	2900	4000
	120	41.00	41	32.00	2.0	1.5	2.040	33213	175.50	254.40	2900	4000
	140	36.00	33	28.00	3.0	2.5	2.510	30313	182.70	228.48	2700	3500
	140	51.00	48	39.00	3.0	2.5	3.600	32313	245.70	240.00	2700	3500
70	110	25.00	25	19.00	1.5	1.5	0.869	32014x	94.50	153.60	3000	4000
	110	31.00	31	25.50	1.5	1.5	1.110	33014	114.30	195.84	3000	4000
	125	26.25	24	21.00	2.0	1.5	1.300	30214	117.90	155.52	2800	3700
	125	33.25	31	27.00	2.0	1.5	1.660	32214	149.40	211.20	2800	3700
	125	41.00	41	32.00	2.0	1.5	2.150	33214	180.90	270.72	2800	3700
	150	38.00	35	30.00	3.0	2.5	3.030	30314	207.00	261.12	2500	3300
	150	54.00	51	42.00	3.0	2.5	4.350	32314	279.00	388.80	2500	3300
75	115	25.00	25	19.00	1.5	1.5	0.925	32015x	95.40	160.32	2900	3800
	115	31.00	31	25.50	1.5	1.5	1.180	33015	116.10	203.53	2900	3800
	130	27.00	25	22.00	2.0	1.5	1.430	30215	125.10	168.00	2700	3400
	130	33.25	31	27.00	2.0	1.5	1.720	32215	151.20	215.04	2700	3400
	130	41.00	41	31.00	2.0	1.5	2.250	33215	187.20	286.08	2700	3400
	160	40.00	37	31.00	3.0	2.5	3.630	30315	229.50	292.80	2300	3000
	160	58.00	55	45.00	3.0	2.5	5.310	32315	319.50	451.20	2300	3000

Model Specification

30204 Tapered Roller Bearing
Size	20*47*14
Brand Name:	TIANHE
Quality Standard:	ISO9001:2000 Standard
Features:	1)Tolerance :           ABEC-1,ABEC-3,ABEC-5, ABEC-7
	2)Vibration Level :   V4,V3,V2,V1
	3)Cage:                     Brass,Nylon
	4)Hardness :             59-63 HRC
Application:	Auto,tractor,machine tool,electric machine,water pump,agricultural machinery and texile machinery etc
Technology&QC Process:	1.Assembly                                                                                           2.Windage test                                                                                               3.Cleaning                                                                                                           4.Rotary Test                                                                                                             5. Greasing and gland                                                                                             6. Noise Inspection                                                                                       7.Appearance Inspection                                                                                             8. Rust Prevention                                                                                                     9.Product Packaging
Service:	We will follow up on our customers' feedback and suggestions after every delivery and we make every effort to solve their problems in order to ensure their total satisfaction.

Photos of  the same type bearings

Pakage Details

32022 Tapered Roller Bearing/Chinese manufactory