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Bearings and Oil Seals

(281 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 MVT Naraku Polini Prox RMS Schmitt SKF Stage6 Stage6 R/T Standard Parts Voca Racing
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Standard Parts
Crankshaft Oil Seal - 24x43x6mm Kymco
Article no.: OE-KYM20926

Crankshaft Oil Seal - 24x43x6mm Kymco

3,50 €
Currently not in stock
Naraku
Crankshaft bearings Naraku, Honda
Article no.: NK100.66

Crankshaft bearings Naraku, Honda

42,00 €
Currently not in stock
Malossi
Crankshaft Bearings Malossi Piaggio Ciao / Bravo
Article no.: M664678E

Crankshaft Bearings Malossi Piaggio Ciao / Bravo

22,00 €
Currently not in stock
RMS
Bearing SKF 6203-C5 TN9 - 17x40x12mm Vespa Primavera
Article no.: R100200080

Bearing SKF 6203-C5 TN9 - 17x40x12mm Vespa Primavera

8,90 €
Currently not in stock
Polini
Crankshaft Oil Seals Polini Evolution Viton® Piaggio
Article no.: P285.0001
4

Crankshaft Oil Seals Polini Evolution Viton® Piaggio

17,00 €
Currently not in stock
RRP
18,00 €
-6% Discount
Polini
Crankshaft Oil Seals Polini Evolution Viton® Derbi
Article no.: P285.0004
8

Crankshaft Oil Seals Polini Evolution Viton® Derbi

16,50 €
Currently not in stock
RRP
18,00 €
-8% Discount
Polini
Crankshaft Oil Seals Polini Evolution Viton® AM6
Article no.: P285.0003
23

Crankshaft Oil Seals Polini Evolution Viton® AM6

18,50 €
Currently not in stock
RRP
19,00 €
-3% Discount
Polini
Crankshaft Bearing Set Polini Original MBK 51
Article no.: P282.0210

Crankshaft Bearing Set Polini Original MBK 51

25,50 €
Currently not in stock
RRP
30,00 €
-15% Discount
Polini
Crankshaft Bearing Set Polini Original Piaggio Ciao
Article no.: P282.0208

Crankshaft Bearing Set Polini Original Piaggio Ciao

9,70 €
Currently not in stock
RRP
11,50 €
-16% Discount
Polini
Crankshaft Bearing Set Polini For Race Peugeot 103
Article no.: P282.0009

Crankshaft Bearing Set Polini For Race Peugeot 103

18,50 €
Currently not in stock
RRP
22,00 €
-16% Discount
Polini
Crankshaft Bearings Polini MBK 51
Article no.: P282.0010

Crankshaft Bearings Polini MBK 51

29,50 €
Currently not 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 €
Currently not in stock
Voca Racing
Crankshaft Bearings Voca Polymer Yamaha DT 50 LC Portugal
Article no.: VCR-RD72130/C4

Crankshaft Bearings Voca Polymer Yamaha DT 50 LC Portugal

26,00 €
Currently not in stock
RRP
29,00 €
-10% Discount
Polini
Crankshaft Bearings and Oil Seals Polini Piaggio Ciao
Article no.: P282.0008

Crankshaft Bearings and Oil Seals Polini Piaggio Ciao

14,00 €
Currently not in stock
Doppler
Crankshaft Oil Seals Doppler FKM Peugeot 103
Article no.: CGN516945

Crankshaft Oil Seals Doppler FKM Peugeot 103

7,90 €
Currently not in stock
10,00 €
-21% Discount
Naraku
Crankshaft Bearings HD + Seals FKM Naraku Kymco / SYM vertical (GR1)
Article no.: NK104.07

Crankshaft Bearings HD + Seals FKM Naraku Kymco / SYM vertical (GR1)

38,00 €
Currently not in stock
Naraku
Crankshaft Bearing Set Naraku Peugeot 100cc 2-stroke
Article no.: NK104.12

Crankshaft Bearing Set Naraku Peugeot 100cc 2-stroke

47,50 €
Currently not in stock
Naraku
Crankshaft Bearings HD + Seals Naraku Kymco / SYM horizontal
Article no.: NK104.26

Crankshaft Bearings HD + Seals Naraku Kymco / SYM horizontal

56,50 €
Currently not in stock
Naraku
Crankshaft Bearings and Oil Seals FKM Naraku Honda X8R
Article no.: NK104.24

Crankshaft Bearings and Oil Seals FKM Naraku Honda X8R

61,00 €
Currently not in stock
Naraku
Crankshaft Bearing Set Naraku HD Morini 50cc 2T
Article no.: NK104.06

Crankshaft Bearing Set Naraku HD Morini 50cc 2T

38,50 €
Currently not in stock
Naraku
Crankshaft Bearings HD + Seals FKM Naraku Kymco / SYM horizontal
Article no.: NK104.02

Crankshaft Bearings HD + Seals FKM Naraku Kymco / SYM horizontal

41,50 €
Currently not in stock
Naraku
Crankshaft Bearings HD and Oil Seals FKM Naraku Honda X8R
Article no.: NK104.11

Crankshaft Bearings HD and Oil Seals FKM Naraku Honda X8R

47,00 €
Currently not in stock
48,00 €
-2% Discount
Naraku
Oil Seal Naraku FKM Premium 17x30x6mm
Article no.: NK103.47

Oil Seal Naraku FKM Premium 17x30x6mm

5,80 €
Currently not in stock
Standard Parts
Crankshaft Bearings and Oil Seals Yamaha Aerox 4-stroke
Article no.: SP-49395

Crankshaft Bearings and Oil Seals Yamaha Aerox 4-stroke

29,50 €
Currently not in stock
30,50 €
-3% Discount
Artein
Oil Seals crankshaft Peugeot Speedfight 100
Article no.: ART-170215

Oil Seals crankshaft Peugeot Speedfight 100

13,00 €
Currently not in stock
13,50 €
-4% Discount
Doppler
Dummy Bearing Doppler 6302 qr alu CNC black
Article no.: CGN512311

Dummy Bearing Doppler 6302 qr alu CNC black

5,50 €
Currently not in stock
6,50 €
-15% Discount
Standard Parts
Wheel Bearing Kit front wheel reinforced Piaggio Ciao
Article no.: IP42153

Wheel Bearing Kit front wheel reinforced Piaggio Ciao

27,00 €
Currently not in stock
Polini
Crankshaft Bearings Polini Evolution Piaggio Ciao (6202.C4)
Article no.: P280.0040
1

Crankshaft Bearings Polini Evolution Piaggio Ciao (6202.C4)

6,60 €
Currently not in stock
Polini
Crankshaft Bearings Polini Peugeot 103
Article no.: P280.0020
1

Crankshaft Bearings Polini Peugeot 103

9,30 €
Currently not in stock
RRP
11,00 €
-15% Discount
Prox
Crankshaft Bearing + Seal Kit Prox SX / EXC 250 1997-2003
Article no.: PROX-09240364

Crankshaft Bearing + Seal Kit Prox SX / EXC 250 1997-2003

126,00 €
Currently not in stock
Prox
Crankshaft Bearing + Oil Seal Kit Prox YZ 80 / 85
Article no.: PROX-09240311

Crankshaft Bearing + Oil Seal Kit Prox YZ 80 / 85

32,00 €
Currently not in stock
Prox
Crankshaft Bearing + Oil Seal Kit Prox PW 50
Article no.: PROX-09240308

Crankshaft Bearing + Oil Seal Kit Prox PW 50

33,00 €
Currently not in stock
Prox
Crankshaft Bearing + Oil Seal Kit Prox Honda CR 125
Article no.: PROX-09240297

Crankshaft Bearing + Oil Seal Kit Prox Honda CR 125

54,00 €
Currently not in stock
Standard Parts
Oil seals crankshaft PGO Big Max
Article no.: MF96.00038

Oil seals crankshaft PGO Big Max

6,20 €
Currently not in stock
Standard Parts
Crankshaft Bearings and Oil Seals PGO Big Max
Article no.: MF33.18600

Crankshaft Bearings and Oil Seals PGO Big Max

30,00 €
Currently not in stock
SKF
Crankshaft Bearing ceramic SKF 6204 C4 20x47x14mm Minarelli
Article no.: EKP-162515
1

Crankshaft Bearing ceramic SKF 6204 C4 20x47x14mm Minarelli

87,50 €
Currently not in stock
SKF
Crankshaft Bearing SKF 6204 20x47x14mm ceramic balls
Article no.: EKP-162516

Crankshaft Bearing SKF 6204 20x47x14mm ceramic balls

27,00 €
Currently not in stock
Athena
Bearing 63 / 22 C3-KOYO
Article no.: AT-09240148

Bearing 63 / 22 C3-KOYO

13,00 €
Currently not in stock
CIF
Crankshaft Bearing Set Piaggio 50-100cc 4T
Article no.: L-SP38331

Crankshaft Bearing Set Piaggio 50-100cc 4T

42,00 €
Currently not in stock
Naraku
Crankshaft bearings Naraku, Honda X8R
Article no.: NK100.75

Crankshaft bearings Naraku, Honda X8R

38,50 €
Currently not in stock
39,00 €
-1% Discount
Stage6
Crankshaft Bearing Kit Stage6 metal cage Peugeot Fox
Article no.: S6-8031321/MET

Crankshaft Bearing Kit Stage6 metal cage Peugeot Fox

38,00 €
Currently not in stock
RRP
42,00 €
-10% Discount
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

17,00 €
Currently not in stock
Schmitt
Ball Bearings metal cage C3 + FKM seals Schmitt Evolution + rotation direction Simson M500
Article no.: STT54280

Ball Bearings metal cage C3 + FKM seals Schmitt Evolution + rotation direction Simson M500

35,00 €
Currently not in stock
Standard Parts
Bearings and Oil Seals Puch Maxi Nm
Article no.: SP-91302

Bearings and Oil Seals Puch Maxi Nm

29,50 €
Currently not in stock
Prox
Crankshaft Bearings + Seals Prox SX-F / FC 250 - 350 after 2019
Article no.: PROX-23.CBS63017

Crankshaft Bearings + Seals Prox SX-F / FC 250 - 350 after 2019

125,00 €
Currently not in stock
Prox
Oil Seals crankshaft Prox KX 250
Article no.: PROX-094488

Oil Seals crankshaft Prox KX 250

28,00 €
Currently not in stock
Prox
Oil Seals crankshaft Prox KX 125
Article no.: PROX-094484

Oil Seals crankshaft Prox KX 125

18,00 €
Currently not in stock
Prox
Oil Seals crankshaft Prox YZ 125 2001-2004
Article no.: PROX-094290

Oil Seals crankshaft Prox YZ 125 2001-2004

18,00 €
Currently not in stock
Prox
Oil Seals crankshaft Prox YZ 250 after 2001
Article no.: PROX-094289

Oil Seals crankshaft Prox YZ 250 after 2001

18,00 €
Currently not in stock
Prox
Oil Seals crankshaft Prox YZ 80 / 85
Article no.: PROX-094280

Oil Seals crankshaft Prox YZ 80 / 85

8,80 €
Currently not in stock
Prox
Oil Seals crankshaft Prox CR 250
Article no.: PROX-094187

Oil Seals crankshaft Prox CR 250

14,00 €
Currently not in stock
Prox
Oil Seals crankshaft Prox CR 125
Article no.: PROX-094184

Oil Seals crankshaft Prox CR 125

12,00 €
Currently not in stock
Prox
Oil Seals crankshaft Prox YZ 65 / YZ 85
Article no.: PROX-09351028

Oil Seals crankshaft Prox YZ 65 / YZ 85

16,00 €
Currently not in stock
Prox
Fork Seals Prox 48x58x10 KXF 450 2013-2014 / RM-Z 250 after 2016
Article no.: PROX-09350548

Fork Seals Prox 48x58x10 KXF 450 2013-2014 / RM-Z 250 after 2016

34,00 €
Currently not in stock
Prox
Oil Seals crankshaft Prox YZF / WRF 450
Article no.: PROX-09350538

Oil Seals crankshaft Prox YZF / WRF 450

20,00 €
Currently not in stock
Prox
Oil Seals crankshaft Prox SX / EXC 250 1995-2003
Article no.: PROX-09350513

Oil Seals crankshaft Prox SX / EXC 250 1995-2003

32,00 €
Currently not in stock
Prox
Oil Seals crankshaft Prox KTM / Husqvarna
Article no.: PROX-09350510

Oil Seals crankshaft Prox KTM / Husqvarna

23,00 €
Currently not in stock
Prox
Oil Seals crankshaft Prox KTM / Husqvarna before 2014
Article no.: PROX-09350459

Oil Seals crankshaft Prox KTM / Husqvarna before 2014

20,00 €
Currently not in stock
Prox
Oil Seals crankshaft Prox KTM / Husqvarna / Beta 250 - 300
Article no.: PROX-09350323

Oil Seals crankshaft Prox KTM / Husqvarna / Beta 250 - 300

18,00 €
Currently not in stock
Prox
Oil Seals crankshaft Prox TC / SX 85
Article no.: PROX-09350321

Oil Seals crankshaft Prox TC / SX 85

24,00 €
Currently not in stock
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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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