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 Bearing Supports

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 RCD's crankshaft front bearing support is designed to minimize the bending stress imposed on the end of the crankshaft when driving a blower.

The force trying to lift the front of the crankshaft can easily be as much as 3000 pounds. The distance from the centerline of the blower belt to the front main bearing is approximately 5 inches. This translates to a bending moment of 1250 foot-pounds! Consider the #1 and #2 pistons and rods are pushing down on the other side of the front main bearing and you can see that the crankshaft needs some added help in this area.

A unique feature of RCD's crankshaft bearing support is the hub which is machined from one-piece, heat-treated, chrome-moly steel billet. This insures the end where the ball bearing mounts will run true with the end of the crankshaft. The hub has a wall in the center for a bolt to mount it on the crank and double .250" keyways. The front slots are used to drive another accessory like oil pumps.

 
Hemi

BBC

SBC
Complete Crank Support requires the purchase of three items:
Crank Support * Crank Hub * Degree Ring
Crank Support Crank Hub Degree Ring

 

Crank Supports

Pic
Part#
Description
Regular
Your Price!
  
RCD-202200-0002 RCD CRANK SUPPORT SBC $500.00 $438.98
RCD-202200-0004 RCD CRANK SUPPORT SBC EXT w/ 6in STANDS & EXT BRNG HOUSING $500.00 $448.98
RCD-202400-0002 RCD CRANK SUPPORT BBC $525.00 $468.98
RCD-202400-0004 RCD CRANK SUPPORT BBC EXT w/ 6in STANDS & EXT BRNG HOUSING $525.00 $478.98
RCD-202600-0004 RCD CRANK SUPPORT HEMI w/ CRANK TRIGGER BRACKET $710.00 $648.98
RCD-202800-0002 RCD CRANK SUPPORT EARLY HEMI 392/417 $525.00 $488.98

Crank Hubs For Crank Supports

Pic
Part#
Description
Regular
Your Price!
  
RCD-202203-0020 CRANK HUB SBC BEARING SUPPORT $485.00 $368.98
RCD-202403-0020 CRANK HUB BBC BEARING SUPPORT $425.00 $368.98
RCD-202603-0020 CRANK HUB HEMI FOR BEARING SUPPORT $400.00 $368.98

Degree Rings

Pic
Part#
Description
Regular
Your Price!
  
RCD-201010-0010 DEGREE RING LIGHTENED w/o MAGNETS 6 3/8in $75.00 $59.95
RCD-201010-9999 DEGREE RING SOLID w/o MAGNETS 7in $85.00 $69.95
RCD-201020-0007 DEGREE RING SOLID w/ MAGNETS 6 3/8in $130.00 $119.98
RCD-201020-0004 DEGREE RING SOLID w/ MAGNETS 7in $130.00 $119.98

Crank Support Components

Pic
Part#
Description
Regular
Your Price!
  
RCD-202025-01 ALUMINUM BEARING HOUSING $115.00 $99.50
RCD-202025-02 LONG ALUMINUM BEARING HOUSING 1.0in OFFSET $130.00 $114.99
RCD-202035-40 CRANK SUPPORT STAND 1.25in x 5.5in $65.00 $47.95
RCD-202035-45 CRANK SUPPORT STAND 1.25in x 6in $65.00 $47.95

 

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