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Bearings and Oil Seals

(176 products)
Crankshafts Bearings and Oil Seals Small End Bearings Crankshaft Accessories
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Artein Athena Bidalot CIF Doppler Hot Rods Malossi MotoForce MotoForce Racing Naraku Polini Prox RMS SKF Stage6 Stage6 R/T Standard Parts Voca Racing
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Stage6
Dummy Bearing 20x52x12mm Piaggio 50cc (x2)
Article no.: S6-8039103

Dummy Bearing 20x52x12mm Piaggio 50cc (x2)

12,00 €
In stock
Stage6
Dummy Bearings 6303 Minarelli AM6 (x2)
Article no.: S6-8039101

Dummy Bearings 6303 Minarelli AM6 (x2)

12,00 €
In stock
Stage6
Dummy Bearings 6204 Minarelli / Derbi (x2)
Article no.: S6-8039100

Dummy Bearings 6204 Minarelli / Derbi (x2)

12,00 €
In stock
Stage6
Oil Seals crankshaft Stage6 NBR Peugeot 103
Article no.: S6-8041320

Oil Seals crankshaft Stage6 NBR Peugeot 103

4,90 €
In stock
Stage6
Crankshaft Bearing Set Stage6 C3 polymer cage Peugeot 103
Article no.: S6-80332C3/TN9

Crankshaft Bearing Set Stage6 C3 polymer cage Peugeot 103

22,00 €
In stock
RRP
24,00 €
-8% Discount
Stage6
Crankshaft Bearing Set Stage6 C3 steel cage Peugeot 103
Article no.: S6-80332C3/MET

Crankshaft Bearing Set Stage6 C3 steel cage Peugeot 103

18,00 €
In stock
RRP
22,00 €
-18% Discount
Sale
Stage6
O-Ring oil filler cap Stage6 Piaggio
Article no.: S6-SSP141ET01

O-Ring oil filler cap Stage6 Piaggio

0,90 €
In stock
1,20 €
-25% Discount
MotoForce
Oil Seal crankshaft 15x21x4.5mm MBK 51
Article no.: MF96.00060

Oil Seal crankshaft 15x21x4.5mm MBK 51

1,50 €
In stock
RRP
1,70 €
-12% Discount
MotoForce
Crankshaft Bearing Set Peugeot horizontal
Article no.: MF33.17801
1

Crankshaft Bearing Set Peugeot horizontal

22,50 €
In stock
RRP
23,50 €
-4% Discount
MotoForce
Crankshaft Bearing Set Peugeot vertical after 2004
Article no.: MF33.17505

Crankshaft Bearing Set Peugeot vertical after 2004

30,50 €
In stock
MotoForce
Crankshaft Bearing Set Morini 50cc
Article no.: MF33.15003
1

Crankshaft Bearing Set Morini 50cc

32,50 €
In stock
MotoForce
Crankshaft Bearing Set AM6
Article no.: MF33.11005

Crankshaft Bearing Set AM6

19,00 €
In stock
RRP
22,00 €
-14% Discount
Sale
MotoForce
Crankshaft Bearing Set Minarelli
Article no.: MF33.16607

Crankshaft Bearing Set Minarelli

22,00 €
In stock
MotoForce
Oil Seals for crankshaft Peugeot vertical
Article no.: MF96.00032

Oil Seals for crankshaft Peugeot vertical

6,40 €
In stock
RRP
6,50 €
-2% Discount
MotoForce
Oil Seals for crankshaft Piaggio
Article no.: MF96.00031

Oil Seals for crankshaft Piaggio

5,70 €
In stock
RRP
6,50 €
-12% Discount
MotoForce
Oil Seals crankshaft AM6
Article no.: MF96.00035

Oil Seals crankshaft AM6

6,10 €
In stock
RRP
6,50 €
-6% Discount
MotoForce
Crankshaft Bearing Set Peugeot 103
Article no.: MF33.13201

Crankshaft Bearing Set Peugeot 103

15,50 €
In stock
Stage6 R/T
Oil Seals crankshaft + water pump Stage6 R/T Minarelli LC
Article no.: S6-8041669

Oil Seals crankshaft + water pump Stage6 R/T Minarelli LC

16,00 €
In stock
RRP
20,00 €
-20% Discount
Sale
Stage6 R/T
Oil Seals crankshaft + water pump Stage6 R/T Derbi
Article no.: S6-8041939

Oil Seals crankshaft + water pump Stage6 R/T Derbi

18,50 €
In stock
RRP
20,00 €
-8% Discount
Stage6 R/T
Oil Seals crankshaft + water pump Stage6 R/T Piaggio LC
Article no.: S6-8041409

Oil Seals crankshaft + water pump Stage6 R/T Piaggio LC

18,00 €
In stock
RRP
22,00 €
-18% Discount
Sale
Stage6 R/T
Oil Seal Stage6 R/T FKM 20x30x7mm
Article no.: S6-79ET001

Oil Seal Stage6 R/T FKM 20x30x7mm

9,10 €
In stock
Stage6 R/T
Crankshaft Seals Stage6 R/T FKM 20x35x7mm Derbi Euro 2 / 3 / 4
Article no.: S6-8041931

Crankshaft Seals Stage6 R/T FKM 20x35x7mm Derbi Euro 2 / 3 / 4

17,00 €
In stock
Stage6 R/T
Crankshaft Oil Seals Stage6 R/T NBR Peugeot Speedfight 3 + 4
Article no.: S6-8041781

Crankshaft Oil Seals Stage6 R/T NBR Peugeot Speedfight 3 + 4

10,00 €
In stock
RRP
17,00 €
-41% Discount
Sale
Stage6 R/T
Crankshaft Oil Seals Stage6 R/T NBR Peugeot Speedfight 1 + 2
Article no.: S6-8041751

Crankshaft Oil Seals Stage6 R/T NBR Peugeot Speedfight 1 + 2

15,00 €
In stock
RRP
17,00 €
-12% Discount
Sale
Stage6 R/T
Crankshaft Seals Stage6 R/T FKM Gilera Runner 125 -180 2T
Article no.: S6-8041411

Crankshaft Seals Stage6 R/T FKM Gilera Runner 125 -180 2T

15,00 €
In stock
RRP
17,00 €
-12% Discount
Sale
Stage6 R/T
Crankshaft Oil Seals Stage6 R/T FKM Piaggio Zip
Article no.: S6-8041401

Crankshaft Oil Seals Stage6 R/T FKM Piaggio Zip

17,00 €
In stock
Stage6 R/T
Crankshaft Bearing Set Stage6 R/T C4 polymer Peugeot horizontal
Article no.: S6-8031780/TN9

Crankshaft Bearing Set Stage6 R/T C4 polymer Peugeot horizontal

32,00 €
In stock
RRP
40,00 €
-20% Discount
Sale
Stage6 R/T
Crankshaft Bearing Set Stage6 R/T C4 polymer Peugeot vertical Euro 1
Article no.: S6-8031750/TN9

Crankshaft Bearing Set Stage6 R/T C4 polymer Peugeot vertical Euro 1

40,00 €
In stock
RRP
49,00 €
-18% Discount
Sale
Stage6 R/T
Crankshaft Bearing Set Stage6 R/T C4 steel Peugeot vertical Euro 1
Article no.: S6-8031750/MET

Crankshaft Bearing Set Stage6 R/T C4 steel Peugeot vertical Euro 1

35,00 €
In stock
RRP
43,00 €
-19% Discount
Sale
Stage6 R/T
Crankshaft Bearing Set Stage6 R/T C4 polymer Minarelli vertical
Article no.: S6-8031660/TN9

Crankshaft Bearing Set Stage6 R/T C4 polymer Minarelli vertical

36,00 €
In stock
RRP
40,00 €
-10% Discount
Stage6 R/T
Crankshaft Bearing Set Stage6 R/T C4 steel cage Minarelli
Article no.: S6-8031660/MET

Crankshaft Bearing Set Stage6 R/T C4 steel cage Minarelli

34,00 €
In stock
RRP
37,00 €
-8% Discount
Stage6 R/T
Crankshaft Bearing Set Stage6 R/T steel Gilera Runner 125 -180 2T
Article no.: S6-8031410/MET

Crankshaft Bearing Set Stage6 R/T steel Gilera Runner 125 -180 2T

49,50 €
In stock
RRP
55,00 €
-10% Discount
Stage6 R/T
Crankshaft Bearing Set Stage6 R/T steel cage Piaggio Zip
Article no.: S6-8031400/MET

Crankshaft Bearing Set Stage6 R/T steel cage Piaggio Zip

44,00 €
In stock
RRP
48,00 €
-8% Discount
Stage6 R/T
Crankshaft Bearing Set Stage6 R/T C3 steel cage Derbi
Article no.: S6-8031931/MET

Crankshaft Bearing Set Stage6 R/T C3 steel cage Derbi

35,00 €
In stock
RRP
38,00 €
-8% Discount
Stage6 R/T
Crankshaft Bearing Set Stage6 R/T C3 polymer 20mm AM6
Article no.: S6-8031881/TN9

Crankshaft Bearing Set Stage6 R/T C3 polymer 20mm AM6

39,50 €
In stock
RRP
43,00 €
-8% Discount
Stage6 R/T
Crankshaft Bearing Set Stage6 R/T C3 polymer 17mm + 20mm AM6
Article no.: S6-8031882/TN9

Crankshaft Bearing Set Stage6 R/T C3 polymer 17mm + 20mm AM6

39,50 €
In stock
RRP
43,00 €
-8% Discount
Stage6 R/T
Crankshaft Bearing Set Stage6 R/T C3 polymer cage AM6
Article no.: S6-8031880/TN9

Crankshaft Bearing Set Stage6 R/T C3 polymer cage AM6

35,00 €
In stock
RRP
43,00 €
-19% Discount
Sale
Stage6 R/T
Crankshaft Bearing Set Stage6 R/T C3 steel cage AM6
Article no.: S6-8031880/MET
1

Crankshaft Bearing Set Stage6 R/T C3 steel cage AM6

33,00 €
In stock
RRP
36,00 €
-8% Discount
MotoForce Racing
Oil Seals crankshaft Motoforce Racing reinforced Viton® Derbi
Article no.: MF96.00036

Oil Seals crankshaft Motoforce Racing reinforced Viton® Derbi

12,50 €
In stock
RRP
14,00 €
-11% Discount
Standard Parts
Oil Seal Kit GY6 50cc 139QMB
Article no.: BT17304

Oil Seal Kit GY6 50cc 139QMB

4,40 €
In stock
4,60 €
-4% Discount
Standard Parts
Crankshaft Bearing Set steel cage MBK 51
Article no.: CGN492708

Crankshaft Bearing Set steel cage MBK 51

16,00 €
In stock
21,00 €
-24% Discount
Sale
Naraku
Crankshaft Bearings + Seals Kymco Dink / Grand Dink / People / Super 9 / Top Boy / Yup
Article no.: NK100.33

Crankshaft Bearings + Seals Kymco Dink / Grand Dink / People / Super 9 / Top Boy / Yup

37,50 €
In stock
Naraku
Crankshaft bearings and oil seals, Kymco Fever / Meteorit
Article no.: NK100.32

Crankshaft bearings and oil seals, Kymco Fever / Meteorit

32,50 €
In stock
Malossi
Crankshaft Bearings Malossi Piaggio Ciao / Bravo
Article no.: M664678E

Crankshaft Bearings Malossi Piaggio Ciao / Bravo

22,00 €
In stock
Bidalot
Crankshaft Bearing Bidalot SKF C3 polymer cage 25x47x12mm
Article no.: BID80000962

Crankshaft Bearing Bidalot SKF C3 polymer cage 25x47x12mm

15,00 €
In stock
Sale
Polini
Crankshaft Bearings Polini + Oil Seals Yamaha Aerox / BW's
Article no.: P282.0002

Crankshaft Bearings Polini + Oil Seals Yamaha Aerox / BW's

31,00 €
In stock
Polini
Crankshaft Bearing Set Polini Piaggio / Gilera / Aprilia / Vespa
Article no.: P282.0001
2

Crankshaft Bearing Set Polini Piaggio / Gilera / Aprilia / Vespa

39,00 €
In stock
RRP
41,00 €
-5% Discount
Polini
Crankshaft Oil Seals Polini Evolution Viton® Piaggio
Article no.: P285.0001

Crankshaft Oil Seals Polini Evolution Viton® Piaggio

17,00 €
In stock
RRP
18,00 €
-6% Discount
Polini
Crankshaft Bearing Set Polini Original Piaggio Ciao
Article no.: P282.0208

Crankshaft Bearing Set Polini Original Piaggio Ciao

9,70 €
In stock
RRP
11,50 €
-16% Discount
Polini
Crankshaft Bearings Polini MBK 51
Article no.: P282.0010

Crankshaft Bearings Polini MBK 51

29,50 €
In stock
RRP
34,00 €
-13% Discount
Standard Parts
Crankshaft Bearings + Seals Puch Maxi E50 old engine
Article no.: MOF-44405

Crankshaft Bearings + Seals Puch Maxi E50 old engine

7,40 €
In stock
Polini
Crankshaft Seals Polini 20 and 25 mm Vespa 50cc Special / 125cc Primavera
Article no.: P285.0111

Crankshaft Seals Polini 20 and 25 mm Vespa 50cc Special / 125cc Primavera

11,50 €
In stock
RRP
12,00 €
-4% Discount
Standard Parts
Crankshaft Oil Seal nitrile Peugeot 103 Fox
Article no.: CGN526222

Crankshaft Oil Seal nitrile Peugeot 103 Fox

4,80 €
In stock
Naraku
Crankshaft Bearings HD + Seals FKM Naraku Kymco / SYM vertical
Article no.: NK104.33

Crankshaft Bearings HD + Seals FKM Naraku Kymco / SYM vertical

51,00 €
In stock
Naraku
Oil Seal Naraku FKM Premium 24x43x6mm
Article no.: NK103.96

Oil Seal Naraku FKM Premium 24x43x6mm

4,80 €
In stock
Naraku
Oil Seal Naraku FKM Premium 22x38x6mm
Article no.: NK103.91

Oil Seal Naraku FKM Premium 22x38x6mm

5,40 €
In stock
Doppler
Dummy Bearing Doppler 6203 alu CNC black
Article no.: CGN512309

Dummy Bearing Doppler 6203 alu CNC black

5,50 €
In stock
6,00 €
-8% Discount
Standard Parts
Wheel Bearing Kit front wheel reinforced Piaggio Ciao
Article no.: IP42153

Wheel Bearing Kit front wheel reinforced Piaggio Ciao

27,00 €
In stock
Polini
Oil Seal Polini Piaggio Ciao / Bravo
Article no.: P285.0122

Oil Seal Polini Piaggio Ciao / Bravo

3,20 €
In stock
Prox
Crankshaft Bearing Prox KX 65 / 85 / RM 85
Article no.: PROX-09240552

Crankshaft Bearing Prox KX 65 / 85 / RM 85

10,00 €
In stock
Sale
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123

Crankshaft bearings

Crankshaft bearings are generally classic ball bearings. They sit next to the crank webs on the crankshaft and in the crankcase.

This is a wear part that, despite generally high durability, needs to be replaced from time to time.

Replacing crankshaft bearings

Maintenance and repair

It is recommended to always replace the bearings together with the crankshaft seals. We carry complete kits with bearings and seals, but all parts can also be ordered individually.

Worn bearings are usually loud and cause strong vibrations. This is an indication that they should be replaced. If you want to replace them preemptively, use the owner’s manual and the manufacturer’s specifications as a reference.

We carry replacement bearings from well-known brands such as MotoForce, ProX, Athena, HotRod, or SKF.

Engine tuning

On tuned engines, it may be necessary to install reinforced bearings. This mainly affects 50cc scooters and geared bikes, where there are very powerful cylinders that reach significantly higher rpm than the stock versions.

In our shop, we have crankshaft bearings and seals from well-known tuning brands such as Stage6 R/T, Polini, Malossi, or Bidalot, and others are available.

WARNING! To replace the bearings, the engine has to be completely opened. It is important to remember to order gear oil or engine oil for 4-stroke engines, as well as a complete gasket set. In addition, a tool is needed to pull the flywheel.

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