30209 Bearing 45x85x20.75mm

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30209

Bore Diameter:45 mm

Outside Diameter:85 mm

Width:20.75 mm

Weight:0.47 kg

The 30209 bearing is a taper roller bearing with an inner diameter of 45 mm , an outer diameter of 85 mm, a width of 20.75 mm. It typically uses P0,P2,P5 grade precision tolerances and open type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.

Dimensions:

Inside Diameter:

45 mm

Outside Diameter:

85 mm

Thickness:

20.75 mm

Weight:

0.47 KG

Specifications:

Structure:

taper roller bearing

Brand:

CHNB

Precision Rating:

P0,P2,P5

Bearing Material:

chrome steel

Seals Type:

open

Transaction Information:

Payment term:

Delivery time:

7-15 working days

Detailed description

Item: 30209 Bearing
Type: Nachi Tapered Roller Bearing
Cage: Chrome Steel
Dimensions: 45mm x 85mm x 20.75mm/Metric
ID (inner diameter)/Bore: 45mm
OD (outer diameter): 85mm
Width/Height/thickness: 20.75mm
Size: 45 x 85 x 20.75 mm
Quantity: One Bearing
Dynamic load rating Cr: 67,200 N
Static load rating Cor: 77,400 N
Limiting Speed:
Grease Lubrication: 4,600 RPM
Oil Lubrication: 6,100 RPM

Tapered roller bearings consist of four basic components including the cone (inner ring), the cup (outer ring), tapered rollers, and a cage (roller retainer).

Tapered roller bearings are designed such that their conical rollers and raceways are arranged so that all elements of the roller and raceway cones meet at a common apex on the bearing axis. The rollers are guided by the contact between the large end of the roller and the rib on the inner ring (cone).
This construction provides a high capacity for radial loads, axial loads, and combined loads. The larger the contact angle, the greater the loading capacity becomes. When a pure radial load is placed on the bearing, an induced load in the axial direction is also generated. So, these bearings are generally used in pairs opposing each other. Tapered roller bearings have the inherent advantage of being adjustable and, they can be set to approach optimum performance in almost any application.

Tapered roller bearings are mainly used in Agriculture, Construction machinery, Automobiles, Gear Boxes & Rolling Mills. We offers a wide range of roller bearings in a variety of configurations like single row, double row & four row.

tapered roller bearings - 30209

Tapered roller bearings

Bearing No	Principal Dimensions (mm)	Load Ratings KN	Mass
	d	D	T	B	C	R _min	r_min	dyc Cr	stc Cor	kg
30202	15	35	11.75	11	10	0.6	0.6	11.76	11.28	0.054
30203	17	40	13.25	12	11	1	1	15.36	14.96	0.056
30204	20	47	15.25	14	12	1	1	24.4	26.9	0.121

30205	25	52	16.25	15	13	1	1	29	34	0.16
30206	30	62	17.25	16	14	1	1	37	44	0.23
30207	35	72	18.25	17	15	1.5	1.5	50.5	55	0.318

30208	40	80	19.75	18	16	1.5	1.5	66	73	0.43
30209	45	85	20.75	19	16	1.5	1.5	70.5	83	0.464
30210	50	90	21.75	20	17	1.5	1.5	72.5	74	0.55

30211	55	100	22.75	21	18	2	1.5	93	110	0.713
30212	60	110	23.75	22	19	2	1.5	104	124	0.923
30213	65	120	24.75	23	20	2	1.5	122	147	1.14

30214	70	125	26.25	24	21	2	1.5	119	142	1.29
30215	75	130	27.25	25	22	2	1.5	139	175	1.4
30216	80	140	28.25	26	22	2.5	2	146	178	1.56

30217	85	150	30.5	28	24	2.5	2	167	204	2.05
30218	90	160	32.5	30	26	2.5	2	222	291	2.73
30219	95	170	34.5	32	27	3	2.5	233	300	3.27

30220	100	180	37	34	29	3	2.5	262	340	3.56
30222	110	200	41	38	32	3	2.5	320	430	5.27
30224	120	215	43.5	40	34	3	2.5	330	445	6.32

30226	130	230	43.75	40	34	4	3	360	490	7.58
30228	140	250	45.75	42	36	4	3	410	550	8.64
30230	150	270	49	45	38	4	3	420	560	11

30240	200	360	64	58	48	5	4	790	1100	25
30244	220	400	72	65	54	5	4	950	1350	40

Products Name	Taper roller bearing
Basic information	inner diameter:1-10000mm outer diameter:2-1000000mm
Brand	according to customers’ requirement
Type	Single-row taper roller bearing,Double-row taper roller bearing,Four-row taper roller bearing,auto bearing,Machine-tool bearing,Construction bearing ,Heavy-duty bearing ,tapered roller bearing ,agriculture machine bearing.
bearing material	bearing steel Gcr15
Cage Material	Steel ,Brass
High speed performance	Good
Quality Standard	ISO9001:2000
Service	OEM service
Payment Term	T/T,L/C
Application widely	Widely used in general machinery, automobiles, agricultural machinery and so on
Packaging	Industrial package/single colour box packing
Market	Europe,America,Middle East,Asia,etc

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30209 Bearing 45x85x20.75mm

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