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AM253020 Plain Metric Oilite Bearing

AM253020 Plain Metric Oilite Bearing
Our Price:  £3.12(Exc. 20% VAT)(£3.74 Inc. VAT)

Weight:  25.90 g


In stock, immediate despatch  


Special Offer:  Discounts of 5%, 10% and 20% are available when you order £50.00, £100.00 and £200.00 or more of selected products.

Model:  AM253020
Brand:  Oilite
Metric / Imperial:  Metric (mm)
Internal Diameter:  25mm
Outside Diameter:  30mm
Length:  20mm
ID tolerance:  Min: 25.007mm Max: 25.028mm (G7)
OD tolerance:  Min: 30.035mm Max: 30.056mm (s7)
Length tolerance:  Min: 19.835mm Max: 20.165mm (js13)
Recommended shaft tolerance:  Min: 24.959mm Max: 24.98mm (f7)
Recommended housing tolerance:  Min: 30mm Max: 30.021mm (H7)
ID when fitted:  Min: 25mm Max: 25.021mm (H7)
Recommended fitting pin tolerance:  Min: 25.008mm Max: 25.017mm (m5)

Alternative or equivalent part numbers: AM2530-20, AMC253020, CM35X20, BS99X20, 25/30x20

Standard Oilite(tm) Material is made from Oil impregnated sintered bronze.

The chemical composition for standard Oilite material is within the following:

Copper: Balance

Iron: 1% Max

Carbon: 3% Max

Tin: 9-11%

Max. Other Elements. 2%

Open Porosity Minimum: 20-27%

Minimum Oil Content: 18-24%

Minimum Radial Crushing Strength K: 120-180 N/mm2

Nominal Density: 6-7g/cc

Maximum static load: 35-65 N/mm2

Maximum dynamic load: 10-18 N/mm2

Maximum velocity: 5-6 m/s

Maximum PV factor*: 1.8

*PV factor = Pressure (N/mm2) x bearing surface velocity (m/s).

Pressure is calculated as load (N) / Projected area (internal diameter x Length) (mm)


There are several more specific specs for specific parts which fall within the above specification. please

contact us for more details if required.



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