Applicable Industries:: Manufacturing Plant, Machinery Repair Shops, Food & Beverage Factory, Farms, Retail, Printing Shops, Construction works , Energy & Mining

Brand Name:: koyo

Model Number:: 30203

Precision Rating:: P5

Seals Type:: Open

Number of Row:: Single Row

Place of Origin:: Japan

Product:: japan koyo bearing 30203

Cage/ Retainer:: Steel Cage

Bearing Material:: Chrome steel/Gcr15

Certificate:: ISO9001-2008

Bearing Stock:: In stock lots ; MOQ: 1 pc

Clearance:: 30203 C2,C3,C4,C5

Vibration level:: ZV1,ZV2,ZV3

Bearing Performance:: High Performance, High Precision

Payment term:: T/T, Western Union, MoneyGram and others

Industry:: mechanical parts - bearings

Supply Ability

Supply Ability:: 5000 Piece/Pieces per Week

Packaging & Delivery

koyo bearing 30203 JR tapered roller bearing 30203 bearing

Product Description

Koyo Tapered roller bearings utilize conical rollers and raceways, arranged so that the rollers and raceways meet at a common apex. The rollers are guided by contact between the large end of the roller and a rib on the inner ring. This provides high capacity for radial and single thrust loads.

Koyo pioneering efforts in developing crowned rollers have resulted in greater load-carrying capability and longer bearing life. Crowned rollers under load distribute stress equally along their full length of contact with the raceways, thereby eliminating stress concentration at the roller ends. This design concept also compensates for minor misalignment between shaft and housing bore and deflection under load, thereby reducing stress concentration.

in stock lots bearings, fast delivery good service

Product	Tapered roller bearings
Model Number	30203
Bore Size(d)	17 mm
Outside Diameter(D)	40 mm
Width	13.25 mm
Number of Row	Single row
Structure (separable)	The cone- inner ring the cup- outer ring The tapered rollers- rolling elements And the cage- roller retainer
Clearance	C2,C3,C4,C5
Brand	Chinese brand bearing/ famous branded bearing
Cage	Brass Cage / Nylon Cage / Steel Cage
Material	Chrome Steel / Carbon Steel / Stainless Steel

Tapered roller bearings are generally used in lower speed, high load applications and are capable of absorbing radial and/or axial loads.

The internal angles may be designed to tailor the bearing to the loading demands of a specific application.

Tapered roller bearings are a separable two-piece design (cup and cone); which, allows the end-use to optimize the internal clearance (and life) for each application when the bearing is mounted.

Benefits:

Extended bearing life equals longer equipment service life,

Longer intervals between scheduled machine maintenance results in lower ownership cost.

Tapered roller bearings codes

Bearing Model		Boundary Dimensions(mm)					Cr	Cor
Bearing Model		d	D	T	B	C	(KN)	(KN)
30204	7204E	20	47	15.25	14	12	28.2	30.6
30205	7205E	25	52	16.25	15	13	32.2	37
30206	7206E	30	62	17.25	16	14	43.3	50.5
30207	7207E	35	72	18.25	17	15	54.2	63.5
30208	7208E	40	80	19.75	18	16	63	74
30209	7209E	45	85	20.75	19	16	67.9	83.6
30213	7213E	65	120	24.75	23	20	120.6	152.6
30214	7214E	70	125	26.25	24	21	132.3	173.6
30215	7215E	75	130	27.25	25	22	138.4	185.4
30216	7216E	80	140	28.25	26	22	160.4	212.8
30217	7217E	85	150	30.5	28	24	177.6	236.8
30218	7218E	90	160	32.5	30	26	200.1	269.6
30219	7219E	95	170	34.5	32	27	226.6	309
30220	7220E	100	180	37	34	29	253.9	350.3
30221	7221E	105	190	39	36	30	285.3	398.6
30222	7222E	110	200	41	38	32	314.9	443.6
30224	7224E	120	215	43.5	40	34	337.4	483.3
30226	7226E	130	230	43.75	40	34	366	521.4
30228	7228E	140	250	45.75	42	36	409.2	584.7

Packaging & Shipping

Packaging of koyo brand bearing

Shipping

1.For a small order, send by UPS,DHL,FEDEX or EMS

2.For bulk order, send by air shipment and Ocean shipment

3.Our shipping port is Qingdao, Shanghai, Guangzhou and Shenzhen Port

4.We can sent goods to Yiwu, Wulumuqi and Feisunhe city

Contact

Here at Jinan Baisite bearing Co.,Ltd

Bearing types	Tapered roller bearings
Bearing Brand	branded bearing;chinese manufacturer produce bearing
Service	OEM
Cage	Brass Cage / Nylon Cage / Steel Cage
Material	Chrome Steel / Carbon Steel / Stainless Steel
Sampe & Stock	Free sample for small value bearing; the bearings are in stock
MOQ	1 piece, quantity according to your wanted
Character	High precision,high performance
Port of Shippment	Qingdao, Tianjin, Shanghai,Guangzhou
Delivery ways	Small or sample order can shipped by DHL,TNT,EMS,UPS or by air big Quantity order shipped by sea.
Payment	T/T 30% of the amount as prepayment, 70%T/T before shipping Western Union, Paypal or others
Delivery time	About 2-15 days after the order confirmed: 1)2-5 days (bearing in stocks,standard dimension) 2)10-15 days(order to produce,standard dimension) 3)15 days(produce as drawing,special design)
Jinan Baisite Bearing: Advantage	High quality and reasonable price High speed and large stock Professional factory with about 10 years experience. Fast delivery

koyo bearing 30203 JR tapered roller bearing 30203 bearing

KOYO bearing for motorcycle are generally used to support combined load mainly consisting of radial load. Their cups are separable for easy assembling. During mounting and using, radial clearance and axial clearance can be adjusted and preloaded mounting can be made.

KOYO 30203 Taper roller bearing are uniquely designed to manage both thrust and radial loads on rotating shafts and in housings.

Taper roller bearing are designed to carry both thrust and radial loads and consist of four components: the cone, or inner ring; the cup, or outer ring; the tapered rollers, or rolling elements; and the cage, or roller retainer.

ntn bearing for motorcycle mainly carry radial, axial combined load with radial load in the main. The capacity of axial load carrying depends on the contact angle of outer ring’s raceway. The bigger the contact angle is, the greater the capacity will be.

ntn bearing for motorcycle the angle between the outer raceway generatrix and line, the bearing can bearing heavy load and other Tappered Roller Bearings, it mainly bears joint load based on one way axial load,but not only radial load.

KOYO 30203 Taper roller bearings have tapered inner and outer ring raceways, The tapered roller is in the middle of the two raceways. This kind of bearings is usually separatable, namely the retainer, inner ring and outer ring can be installed apart. They can withstand immense radial direction load and certain axial load. They are designed in different sizes and styles to meet all kinds of functions.