1.b Norton SOHC, OHV and Side Valve Bearings

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Norton Bearings - INFORMATION SECTION

Product no.: Info1

Norton SOHC/OHV/SV Bearings : Information on the bearings covered in this Section 

Click on this item to give further detailed information about the specialist imperial bearings listed in this section. See also SOHC Crankshaft section for SOHC Big End bearings.   Note: we spend considerable time searching for correct spec UK made bearings, most now obsolete.  Prices reflect this rarity.  Please confirm you have ordered the correct bearing for your model before opening sealed packaging - click on this item for more information

£0.00 *

SOHC Vertical Shaft Top or Bottom Bevel Bearing - Original RHP Twin Row Type

Product no.: 0005 A11\755

- This is the very important twin row, self centering bearing that was originally fitted in both top and bottom bevel housings in all International and early Manx engines. Now obsolete and unobtainable - Jan 2024:  A new small batch just in! - See detail listing for more information

£165.00 *
In stock
can be shipped within 60 days

SOHC Vertical Shaft Top Bevel Bearing - Replacement type

Product no.: 0006 A11\755B

- Single row (fixed race - not swivelling) RHP bearing, that can be used as an alternative to the original type twin row type (Item no 0005) on the top bevel housing only.  See detail description for this item and description for item 0005 before purchasing

£82.00 *
In stock

Main Bearing - SOHC Drive Side Roller Bearing (RHP - C3) : Now Special Order

Product no.: 0019 A11/32

- Single row roller bearing in C3 size from RHP. Fitted to all SOHC engines, both International and early Manx.  This original C3 (looser fit) Version from RHP now unobtainable.  I can possibly obtain by Special Order.  See detail listing for more information

£262.50 *
Not in stock

Main Bearing - SOHC Drive Side Roller Bearing (RHP - Non C3)

Product no.: 0019B A11/32

- Single row roller bearing - fitted to the inner of the two driveside mainshaft bearings in the crankcase on all SOHC engines, both International and Manx models.  This listing is for the Non-C3 (standard tolerance) of the high quality RHP brand, as the original C3 tolerance are now unobtainable.  See listing detail for more information

 

£123.00 *
In stock

Main Bearing - SOHC Drive Side Ball Bearing (RHP - C3)

Product no.: 0018 A11/30

- Single row ball bearing - Fitted to the outer of the two driveside mainshaft bearings in the crankcase on all SOHC engines, both International and early Manx.  This is the correct C3 (loose tolerence) type, from top quality manufacturer RHP - *** 8/3/19: See Note In Detailed Description

£135.00 *
Not in stock

Main Bearing - SOHC Drive Side Ball Bearing (RHP - Non C3)

Product no.: 0018B A11/30b

- Single row ball bearing - Fitted to the outer of the two driveside mainshaft bearings in the crankcase on all SOHC engines, both International and early Manx.  This is from top quality manufacturer RHP - but like so many original Norton bearings - the original C3 (loose fit) type are now unobtainable, and these are the STD fit type.  See detail listing for more information.

£85.00 *
In stock

Main Bearing - SOHC Mod 30/40 and CS1/CJ- Timing Side Ball Bearing : RHP C3 Type

Product no.: 0020 A11/31

- Single row ball bearing. Fitted to timing side Model 30/40 (International) SOHC engines, in correct RHP C3 (loose tolerence) type, from top quality manufacturer. Now obsolete and extremely difficult to source - see detail listing for information

£120.00 *
In stock

Main Bearing - SOHC Mod 30/40 and CS1/CJ- Timing Side Ball Bearing : RHP Std (Non-C3) Type

Product no.: 0020B A11/31

- Single row ball bearing. Fitted to timing side Model 30/40 (International) SOHC engines.  These are from top quality manufacturer - RHP, but are in a standard (non-C3 tolerance), slighty cheaper than Item 0020.  Now obsolete and extremely difficult to source - see detail listing for information

£75.00 *
In stock

Main Bearing - Model 30M/40M (Manx) - Timing Side Twin Ball Bearing : SKF C3

Product no.: 0021 A11M/31

Twin row caged ball bearing. Fitted to Model 30M/40M (Manx) SOHC engines in original C3 looser fit, from high quality SKF manufacturer.  Update April 2020: Limited Stock now available

£97.00 *
In stock

Main Bearing - Model 30M/40M (Manx) - Timing Side Twin Ball Bearing : SNR C3

Product no.: 0022b A11M/31

Twin row caged ball bearing. Fitted to Model 30M/40M (Manx) SOHC engines in original C3 looser fit, from good quality SNR manufacturer.  Update October 2019: Only  limited stock available, see detail listing

£75.00 *
In stock

Model 30/40/CS1 3 Screw Main Bearing Securing Plate (Post 1932) - Each

Product no.: 0285 A11/34

3 screw mainshaft bearing securing plate, to fit all Model 30 and Model 40 International (and CS1/CJ) engines. This pressed steel plate was used to retain the main bearings and ensure they did not 'walk' under heavy use. Price is Each

£21.00 *
In stock

Model 30M/40M Manx 4 Screw Main Bearing Securing Plate - Each

Product no.: 0286 A11M/34

4 screw mainshaft bearing securing plate, to fit all Model 30M and Model 40M (i.e. pre-Featherbed Manx type) magnesium engines. This pressed steel plate was used to retain the main bearings and ensure they did not 'walk' under heavy use.  Price is Each

£22.00 *
In stock

Model 30/40/CS1 3 Screw Main Bearing Securing Plate (Pre 1933) - Each

Product no.: 0287 1X49e

This is the shallower type of Model 30/40 main bearing plate that was fitted to very early SOHC Cammy engines - we believe prior to 1933 (although it is difficult to be certain when the changover occurred, give or take one year - so check detail listing for more information.  Price is each

£21.00 *
In stock

Mainshaft/Camshaft Bearing - Securing Plate Screw: All SOHC Models - Set of 3

Product no.: 0023 A11/35/3

- Countersunk screw used to retain securing plates for both main bearings in the crankcases and front camshaft bearings. These are the screws that are soldered over their heads once fitted, to ensure they dont work loose. This is for a bag of 3 screws

£2.20 *
In stock

Mainshaft/Camshaft Bearing - Securing Plate Screw: All SOHC Models - Set of 9

Product no.: 0024 A11/35/12

- Countersunk screw used to retain securing plates for both main bearings in the crankcases and front camshaft bearings. These are the screws that are soldered over their heads once fitted, to ensure they dont work loose. This is for a bag of 9 screws.  See listing for more information

£6.00 *
In stock

SOHC All Models : Camshaft Bearing Retaining Plate

Product no.: 0025 A11/787
- This is the plate that stops the camshaft bearing from rotating and coming adrift in the main cambox casting
£11.00 *
Not in stock

Cambox Main (Front) Bearing - SOHC Camshaft Front Ball Bearing: RHP or SKF Brand: Each

Product no.: 0026 A11/785

- Single row ball bearing.fitted to the main SOHC cambox shell (i.e. front cambox bearing) on a  SOHC cambox's from 1931-56, both International (alloy) and SOHC Manx/M40 and some Featherbed (magnesium) cambox shells.  This bearing is from a top quality bearing manufacturer and will be either RHP or SKF dependent on current availablity. Price is each

£57.00 *
Still in stock

Cambox Bearing - SOHC (Inter Mod 3040 and CS1CJ) Camshaft Back Roller Bearing : RHP C3

Product no.: 0027 A11/786

- Single row caged roller bearing. Fitted to Model 30/40 (International) SOHC engines. These are either RHP or Hoffman (Hoffman became RHP) - both best quality and in correct and very difficult to find C3 fit. 

 

£98.00 *
Not in stock

Cambox Bearing - SOHC (Mod 30M/40M & SOHC Manx) Camshaft Back Roller Bearing : RHP C3

Product no.: 0028 A11/786M

Cambox Bearing - Camshaft Back Roller Bearing : as fitted to the Model 30M/40M (Manx) cambox backplate - identifiable from the standard International type, in that the Manx backplate is in magnesium. These are correct RHP versions in correct C3 fit - now very rare

£114.00 *
In stock

SOHC Walter Moore CS1/CSJ Top Vertical Shaft Bearing (1927/30) - SKF Brand (Each)

Product no.: 1076 4130

This is the large single ball bearing that was fitted on the top vertical bevel gear housing on the SOHC Walter Moore CS1 or CSJ engine, manufactured from 1927 - 30.  This is a high quality SKF brand bearing.  See listing for more information

£44.00 *
In stock

SOHC Walter Moore CS1 (and Mod 18) 1927-30 Main Roller Bearing ‘C3’ Fit - NKE Brand

Product no.: 1073b 4016

This is the single row roller bearing as fitted to both sides of the SOHC Walter Moore CS1 and CSJ 1927 - 1930 engines.  It was also fitted to Model 18 engines of the same period. These are the correct original 'C3' looser fit bearings - but are from a slightly lesser quality NKE brand (i.e. not RHP Brand).  See listing for more detail

£94.00 *
In stock

OHV/SV Big End Complete With Nuts - Original Crowded Roller Type - Each

Product no.: 0863 A2/27

Manufactured by a well established and specialist British bearing supplier who have been making these Bigends for many years - this Bigend is of the same design and specification as the original 1930's - late 1950's OHV and SV design - this being a twin row, crowded roller design (i.e. the rollers do not sit in a cage). Comes complete with Bigend nuts

£325.00 *
In stock

OHV/SV Big End Complete With Nuts - Higher Performance Caged Roller Type - Each

Product no.: 0864 A2/27C

Manufactured by a well established and specialist British bearing supplier who have been making these Bigends for many years - this particular Bigend is of modified 'Caged Roller' design - more suited to high performance than the original Crowded Roller type.  Comes complete with BigEnd nuts.

£335.00 *
In stock

OHV/SV Big End -Spare End Nuts - Each

Product no.: 1149 A2/27[1]

Manufactured by a well established and specialist British bearing supplier who have been making these Bigends for many years - these Big End Nuts are to fit the standard OHV and SideValve Norton Big Ends.   Price is Each

£14.00 *
In stock

OHV/SV Main Bearing - Drive Side Ball Bearing - RHP C3 Fit : Model 1, 16H, 18, ES2.

Product no.: 0242 A2/30

- Single row ball bearing. Fitted to all pushrod and sidevalve engines (from 1930's to late 1950's). These are original high quality RHP bearings (plastic sealed), in the correct C3 fit - now extremely difficult to find.  Feb 21: Read detail lisitng for update

£115.50 *
In stock

OHV/SV Main Bearing - Drive Side Ball Bearing - RHP Std (i.e. non- C3) Fit : Model 1, 16H, 18, ES2.

Product no.: 0733 A2/30b

- Single row ball bearing. Fitted to all pushrod and sidevalve engines (from 1930's to late 1950's). These are original high quality RHP bearings (plastic sealed)- but are in a 'standard' fit, not the original looser C3 fit.  Feb 19: Read detail lisitng for update

£68.30 *
Not in stock

OHV/SV Main Bearing - Drive Side Roller Bearing - RHP C3 Fit : Model 1, 16H, 18, ES2.

Product no.: 0243 A2/32

- Single row roller bearing. Fitted to all pushrod and sidevalve engines (from 1930's to late 1950's).. These are original high quality RHP bearings (plastic sealed), in the correct C3 fit.  Feb 2021:  See detail listing for update on availability

£210.00 *
Not in stock

OHV/SV Main Bearing - Drive Side Roller Bearing - RHP Std (Non-C3) Fit : Model 1, 16H, 18, ES2.

Product no.: 1009 A2/32

- Single row roller bearing. Fitted to all pushrod and sidevalve engines (from 1930's to late 1950's).. These are original high quality RHP bearings (plastic sealed), but in a Standard (i.e. non-C3 fit).  May 2021:  See detail listing for update on availability

£173.30 *
Not in stock

OHV/SV Main Bearing - Drive Side Roller Bearing - NKE (Original C3 Fit) : Model 1, 16H, 18, ES2.

Product no.: 1073 A2/32b

- Single row roller bearing. Fitted to all OHV/SV pushrod and sidevalve engines (from 1930's to late 1950's). These are the correct original 'C3' looser fit bearings - but are from a slightly lesser quality NKE brand (i.e. not RHP Brand).  See listing for more detail

£94.00 *
In stock
*
Recommended Retail Price, plus delivery
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1.b Norton SOHC, OHV and Side Valve Bearings
Norton SOHC - HIgh Quality Engine and Gearbox Bearings