Lambretta LC & LD Oil Seals and Bearing Sizes
April 2019 – This page is being put together at the moment with the aid of Parts Manual books. Please revisit at the end of the month for part numbers / sizes and clarification. this page is subject to change.
LD LC Bearing Sizes
LAMBRETTA- D & LD 125 (1956-57) + All D LD150
Rear bevel gear (transmission) on drive shaft Lambretta LD Bearing ( 20x42x8mm )
Rear bevel gear (transmission) on drive shaft Lambretta LD Oil Seal ( 20x35x10mm ) ( OEM 07330213 – no 44 in parts manual )
Clutch Lambretta LD – Ball bearing ( 25x52x15mm ) – ( OEM 11060165 )
Crankshaft Lambretta LD – Ball bearing x2 req: ( 20x47x20.5mm ) ( OEM 11110326 )
Crankshaft Lambretta LD – Oil seal x2 req: ( 31x47x7mm ) ( OEM 11110351 )
x2 required – Ball bearing (12x32x10mm) – (used for front wheel, all Lambretta models – LD)
Ball bearing (12x32x10mm) – (used for gearbox Lambretta LD)
LC
Ball bearing (25x52x9mm) – (used for clutch Lambretta LC)
Ball bearing (12x32x10mm) – (used for front wheel, all Lambretta models)
Ball bearing (12x32x10mm) – (used for gearbox Lambretta LC)
Ball bearing (17x40x12mm) – (used for crankshaft Lambretta LC)
Ball bearing (15x35x11mm) – (used for drive shaft/bevel gears Lambretta LC)
https://simplybearings.co.uk/ (Search for – 12 32 10 deep groove )
https://www.bearing-king.co.uk/ (Use search and input – Inside – 20 Outside 42 – Width 8)
https://www.bearings-online.co.uk Search for – 12 32 10 deep groove )
Lambretta LD LC Oil Seals
General Information
- Nitrile Rubber (NBR) – Temperature Range -40 to +110 degree C – Usually coloured Black
- Viton Rubber (FPM) – Temperature Range -30 to +225 degrees C – Usually coloured Brown
- Silicone (SI) – Temperature Range -60 to +225 degrees C – Usually coloured Red
Example: 24x47x7mm would be 24 Inside Diameter / 47 Outside Diameter / 7 Width
Oil seal set engine -LAMBRETTA- D & LD 125 (1951-55)
number of oil seals: 4
number of o-rings: 2
size oil seal 1: 22x40x7mm
size oil seal 2: 22x40x8mm
size oil seal 3: 17x40x8,5mm
size oil seal 4: 20x35x10mm
size o-ring 1: 40x2mm
size o-ring 2: 95x2mm
size o-ring 3: 35×2,0mm
size felt ring 1: 10x17x6mm
size felt ring 2: 11x19x4mm
Oil seal set engine -LAMBRETTA- D & LD 125 (1956-57)
number of oil seals: 7
number of o-rings: 4
size oil seal 1: 24x47x7mm
size oil seal 2: 31x47x7mm – Used for crankshaft Lambretta LD – (OEM 11110351)
size oil seal 3: 31x47x7mm – Used for crankshaft Lambretta LD – (OEM 11110351)
size oil seal 4: 31x47x7mm
size oil seal 5: 22x40x7mm
size oil seal 6: 20x35x10mm – Used for transmission (OEM 07330213 – no 44 in parts manual)
size oil seal 7: 20x35x10mm
size o-ring 1: 12×2,9mm
size o-ring 2: 19x3mm
size o-ring 3: 40x2mm
size o-ring 4: 45x2mm
size o-ring 5: 95x2mm
size felt ring 1: 10x17x6mm
Oil seal set engine -LAMBRETTA- D & LD 150
number of oil seals: 5
number of o-rings: 4
size oil seal 1: 22x40x7mm
size oil seal 2: 31x47x7mm – Used for crankshaft Lambretta LD
size oil seal 3: 31x47x7mm – Used for crankshaft Lambretta LD
size oil seal 4: 31x47x7mm
size oil seal 5: 20x35x10mm
size o-ring 1: 12×2,9mm
size o-ring 2: 19x3mm
size o-ring 3: 40x2mm
size o-ring 4: 45x2mm
size o-ring 5: 35x2mm
Oil seal set engine -LAMBRETTA- A, B, C & LC
number of oil seals : 4
size oil seal 1: 22x40x8mm
size oil seal 2: 22x40x8mm
size oil seal 3: 17x40x8,5mm
size oil seal 4: 22x40x10mm
size o-ring 1: 16×2,5mm
size o-ring 2: 15,5×2,5mm
size o-ring 3: 8×1,8mm
size o-ring 4: 20×1,4mm