China Chinese Professional Roller Skate Deep Groove Ball Bearing - Single Row Tapered Roller Bearings – XINRI manufacturers and suppliers

Chinese Professional Roller Skate Deep Groove Ball Bearing - Single Row Tapered Roller Bearings – XINRI

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Chinese Professional Roller Skate Deep Groove Ball Bearing - Single Row Tapered Roller Bearings – XINRI Detail:

Introduction

Single row tapered roller bearings are designed to accommodate combined loads, i.e. simultaneously acting radial and axial loads. The projection lines of the raceways meet at a common point on the bearing axis to provide a true rolling action and therefore low frictional moments during operation.

Features and Benefits

●Low friction

●Long service life

●Enhanced operational reliability

●Consistency of roller profiles and sizes

●Rigid bearing application

●Separable and interchangeable

Precautions Before Installation

Ensure that the installation site is clean and strictly prevent foreign matter from entering the bearing interior.

Check the bearing for quality problems. Whether the rotation is flexible, carefully check the bearing parts surface for defects, such as indentation, burns, cracks, etc. It is strictly prohibited to load defective parts.

Ensure sealing quality. Carefully check whether the seal model, specification and size are appropriate, whether there are defects or quality problems, and whether the relevant accessories are complete and reasonable.

Make sure the bearings are clean. Do not install the bearings without cleaning

Precautions During Installation

Bearing inner sleeve must be installed by induction heating and must not exceed 120℃. It is strictly prohibited to dismount the bearing by open flame heating.

Avoid hard loading, impact, must ensure that the bearing gently loaded, bearing and seat hole for small clearance, the normal situation should be gently hit the end face is loaded, forced impact skew is not easy to load, so that the bearing hole surface damage or even scrap.

When unqualified sealing, gland and other parts are found during installation, they must be scrapped or repaired strictly to ensure that the assembly quality meets the quality requirements.

When it is not easy to load, find out the reason, take reasonable measures after eliminating the problem, repair the parts in time when it is found that there are deformation problems, and propose to modify the drawing when necessary.

Apply sufficient and clean grease strictly as required.

Parameters

SIZE	Dimensions							Basic load ratings		Weight
	Dimensions							dynamic	static	Weight
	d	D	B	C	T	Rmin	rmin	KN	KN	kg
30203	17	40	12	11	13.25	1	1	20.7	21.9	0.079
30204	20	47	14	12	15.25	1	1	28.2	30.6	0.126
30205	25	52	15	13	16.25	1	1	32.2	37.0	0.154
30206	30	62	16	14	17.25	1	1	43.3	50.5	0.231
30207	35	72	17	15	18.25	1.5	1.5	54.2	63.5	0.331
30208	40	80	8	16	19.25	1.5	1.5	63	74	0.422
30209	45	85	19	17	20.25	1.5	1.5	67.9	83.6	0.474
30210	50	90	20	18	21.25	1.5	1.5	73.3	92.1	0.529
30211	55	100	21	19	22.25	2	1.5	90.8	113.7	0.713
30212	60	110	22	20	23.25	2	1.5	103.3	130	0.904
30213	65	120	23	21	24.25	2	1.5	120.6	152.6	1.13
30214	70	125	24	22	26.25	2	1.5	132.3	173.6	1.26
30215	75	130	25	23	27.25	2	1.5	138.4	185.4	1.36
30216	80	140	26	24	28.25	2.5	2	160.4	212.8	1.67
30217	85	150	28	25	30.5	2.5	2	177.6	236.8	2.06
30218	90	160	30	26	32.5	2.5	2	200.1	269.6	2.54
30219	95	170	32	27	34.5	3	2.5	226.6	309	3.04
30220	100	180	34	28	37	3	2.5	253.9	350.3	3.72
30221	105	190	36	29	39	3	2.5	285.3	398.6	4.38
30222	110	200	38	30	41	3	2.5	314.9	443.6	5.21
30303	17	47	14	32	15.25	1	1	28.3	27.2	0.129
30304	20	52	15	12	16.25	1.5	1.5	33.1	33.2	0.165
30305	25	62	17	1315	18.25	1.5	1.5	46.9	48.1	0.263
30306	30	72	19	16	20.75	1.5	1.5	59	63.1	0.387
30307	35	80	21	18	22.75	2	1.5	75.3	2.6	0.515
30308	40	90	23	20	25.25	2	1.5	90.9	107.6	0.747
30309	45	100	25	22	27.25	2	1.5	108.9	129.8	0.984
27709k	45	100	29	20.5	32	2.5	2	101.1	110.8	1.081
30310	50	110	27	23	29.25	2.5	2	130.1	157.1	1.28
30311	55	120	29	25	31.5	2.5	2.5	153.3	187.6	1.63
30312	60	130	31	26	33.5	3	2.5	171.4	210.0	1.99
30313	65	140	33	28	36	3	2.5	195.9	241.7	2.44
30314	70	150	35	30	38	3	2.5	219	271.7	2.98
30315	75	160	37	31	40	3	2.5	252	318	3.57
30316	80	170	39	33	42.5	3	2.5	278	352.0	4.27
30317	85	180	41	34	44.5	3	2.5	305	388	4.96
30318	90	190	43	36	46.5	3	2.5	342	440	5.55

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