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AL121520 Flanged Metric Oilite Bearing

AL121520 Flanged Metric Oilite Bearing
Our Price:  £1.40(Exc. 20% VAT)(£1.68 Inc. VAT)
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Weight:  10.70g

Availability:  

In stock, immediate despatch  

Oilite


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:  AL121520
Brand:  Oilite
Metric / Imperial:  Metric (mm)
Internal Diameter:  12mm
Outside Diameter:  15mm
Length:  20mm
Flange Outside Diameter:  21mm
Flange Thickness:  3mm
ID tolerance:  Min: 12.006mm Max: 12.024mm (G7)
OD tolerance:  Min: 15.028mm Max: 15.046mm (s7)
Length tolerance:  Min: 19.835mm Max: 20.165mm (js13)
Flange OD tolerance:  Min: 20.835mm Max: 21.165mm (js13)
Flange thickness tolerance:  Min: 2.93mm Max: 3.07mm (js13)
Recommended shaft tolerance:  Min: 11.966mm Max: 11.984mm (f7)
Recommended housing tolerance:  Min: 15mm Max: 15.018mm (H7)
ID when fitted:  Min: 12mm Max: 12.018mm (H7)
Recommended fitting pin tolerance:  Min: 12.007mm Max: 12.015mm (m5)

Alternative or equivalent part numbers: AL1215-20, AMF121520, QFM12.5-20, FCM33x20, 12/15x20-21x3

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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