Becker · U 5.45

U 5.45

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Oil-Lubricated Rotary VaneOEM data

Image: Becker

Pumping speed: 54 m³/h
Max. vacuum: 1.47 mbar
Motor power: 1.79 kW
Noise level: 64 dB(A)

Headline ratings converted to common units for comparison; the table below shows each figure exactly as published.

Technical data

Source: Becker product page · retrieved 2026-10-01

As published	US; SCFM	US	US; dB(A)	US; without Motor
Open Flow SCFM Pumping speed	31.8 SCFM oem source Source · 2026-10-01
Maximum Vacuum Max. vacuum		1.1 Torr Torr oem source Source · 2026-10-01
Horsepower Motor power		2.4 hp oem source Source · 2026-10-01
Noise Level dB(A) Noise level			64 dB(A) oem source Source · 2026-10-01
Weight without Motor Weight				68 lbs lbs oem source Source · 2026-10-01

Original extracted values are shown with their source and review status. Multiple values under the same condition remain separate for review.

Explore the parts

U 5.45, pulled apart

This model’s parts, by where they sit

Our drawing of the machine type, with the U 5.45's own parts from Becker's lists. Side view along the shaft. Oil-free (dry) pumps have no exhaust box oil, sight glass or oil filter; their exhaust filter is a dust filter.

Reviewed operating performance · 60 Hz

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Documents

View Data Sheet (U 5.45)datasheet · 4 pp
View Operating Manual (U 5.45)manual · 37 pp
Download Spare Parts List (U 5.45)parts-list · 14 pp

Documents open on the manufacturer’s site.

Service parts · 43

Kit7

Lubrication5

Filtration2

Fittings and hardware9

Rotating parts3

Valves3

Seals and gaskets1

SET OF SEALS · kit54900064700

Housing and covers5

Other parts8

Part numbers from Becker’s parts lists, shop and instruction manuals. Open a part for its other models, replacements and suppliers.

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Parts diagrams

Exploded views from Becker’s own documents, with each position and part number as printed. Select a part to see what it fits, who sells it and what replaces it.

Exploded view · Download Spare Parts List (U 5.45), page 346 positions

The positions on this drawing haven’t been placed yet: choose a position in the list for its part. Drag to move, pinch or Ctrl + scroll to zoom.

Select a part on the drawing or in the list to see its number, what it fits and where to get it. Turn on “select several” to build one quote for many parts.

Select several

Pos.	Part number	Description	Qty
	00010064600	PUMP BODY
	02000264700	ROTOR
	90052300003	ROTOR VANE KIT KIT
	01140064700	BEARING WASHER
	00080364700	SIDE COVER A
	00070164700	SIDE COVER B
	K3	SCREW KIT Supplied in kit K3
	K3	SCREW KIT Supplied in kit K3
	94773700000	KEY A8X7X25
	92861420000	PRESSURE SPRING
	03395064700	VALVE PLATE
	K4	SIEVE KIT Supplied in kit K4
	K4	SIEVE KIT Supplied in kit K4
	00780064700	THREADED FLANGE, VERTICAL
	00780164700	THREADED FLANGE, HORIZONTAL
	53750064700	VALVE COMPLETE
	K3	SCREW KIT Supplied in kit K3
	94874200000	STRAIGHT PIN 186 947508 00000 WASHER
	90212700000	COUPLING COMPLETE
	K3	SCREW KIT Supplied in kit K3
	K3	SCREW KIT Supplied in kit K3
	00249064700	OIL RESERVOIR (A)
	00249164700	OIL RESERVOIR (B)
	K3	SCREW KIT Supplied in kit K3
	K5	FLOAT VALVE KIT Supplied in kit K5
	K5	FLOAT VALVE KIT Supplied in kit K5
	K5	FLOAT VALVE KIT Supplied in kit K5
	06480054200	ADAPTER 705 K3, K4 SCREW PLUG
	90970800000	OIL FILTER 1
	96540064700	AIR OIL SEPARATOR 1
	00370064700	MAINTENANCE COVER
	K3	SCREW KIT Supplied in kit K3
	95120500000	SCREW PLUG G1/8
	53750064700	VALVE COMPLETE
	74131060000	Rubber buffer
	01510064700	FOOT PLATE
	K3	SCREW KIT Supplied in kit K3
	51220064700	OIL LINE
	94840200000	HOHLSCHRAUBE / HOLLOW SCREW / VIS CREUSE / VITE ESAGONALE / TORNILLO HUECO
	00230064700	FAN WHEEL
	02230064700	AIR GUIDE BONNET
	K3	SCREW KIT Supplied in kit K3
	K3	SCREW KIT Supplied in kit K3
	K3	SCREW KIT Supplied in kit K3
	K3	SCREW KIT Supplied in kit K3
	76875899626	GAS BALLAST VALVE COMPLETE

Positions and part numbers as printed in Becker’s Download Spare Parts List (U 5.45), page 3 · view the source document