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AM303840 Plain Metric Oilite Bearing

AM303840 Plain Metric Oilite Bearing
Our Price:  £10.76(Exc. 20% VAT)(£12.91 Inc. VAT)

Weight:  102.50g


In stock, immediate despatch  


Special Offer:  Discounts of 15%, 30%, 50% and 55% are available when you order £30.00, £100.00, £200.00 and £1,000.00 or more of selected products.

Model:  AM303840
Brand:  Oilite
Metric / Imperial:  Metric (mm)
Internal Diameter:  30mm
Outside Diameter:  38mm
Length:  40mm
ID tolerance:  Min: 30.007mm Max: 30.028mm (G7)
OD tolerance:  Min: 38.043mm Max: 38.068mm (s7)
Length tolerance:  Min: 39.805mm Max: 40.195mm (js13)
Recommended shaft tolerance:  Min: 29.959mm Max: 29.98mm (f7)
Recommended housing tolerance:  Min: 38mm Max: 38.025mm (H7)
ID when fitted:  Min: 30mm Max: 30.021mm (H7)
Recommended fitting pin tolerance:  Min: 30.008mm Max: 30.017mm (m5)

Alternative or equivalent part numbers: AM3038-40, AMC303840, BM5X40, 30/38x40

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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