JET Rail Roller Blocks

There is no standard off-the-shelf direct drop-in replacement for all open single and twin linear ball bearing pillow blocks. Jet Rail's open architecture and sealed roller design allow for smooth, low resonance/noise, lightweight, high speed linear motion. Unlike linear ball bearings that include debris which can lead to premature failure, Jet Rail's open features and sealed rollers inhibit the accumulation of debris and contaminants.
Make sure you have us quote your
linear shafting needs along with
our bearings!


JET RAIL Roller Blocks

vs.


Linear Ball
|Bearings


PDF Catalog Link
     
     

LM76 JET Rail Roller Blocks successfully endure debris such as saw dust, lint and other contaminants
via a beryllium copper scraper which clears debris from in front of the top roller. see more here
 

PDF JET Rail with Carriage Lock

Special Jet Rail Roller Block with Scrapers
and Stainless Rollers

 Jet Rail Roller Blocks are direct drop-in replacements for all inch linear ball bushing
open pillow block assemblies that run on supported shafting. They provide low
friction, quiet/smooth operation and do well in contaminated environments.

                          


*Engineering Options
 

SINGLE PILLOW BLOCKS

Single Pillow Block

   JET RAIL
Part Number

SHAFT
DIA

DYN.
LOAD

     JET RAIL DIMENSIONS 
WGT. A B C D E F G BOLT HOLE J K
JRS-8-OPN 1/2 400 .4 .687 2 1-1/2 1-5/32 1.688 1.000 1 #6 5/32 .240 5/16
JRS-10-OPN 5/8 500 .5 .875 2-1/2 1-3/4 1-13/32 2.125 1.125 1-1/16 #8 3/16 .270 3/8
JRS-12-OPN 3/4 600 .6 .937 2-3/4 1-7/8 1-9/16 2.375 1.250 1-1/16 #8 3/16 .300 7/16
JRS-16-OPN 1 955 1 1.187 3-1/4 2-5/8 2 2.875 1.750 1-3/8 #10 7/32 .360 11/16
JRS-20-OPN 1-1/4 1400 2 1.500 4 3-3/8 2-9/16 3.500 2.000 1-3/4 #10 7/32 .424 13/16
JRS-24-OPN 1-1/2 1660 2.8 1.750 4-3/4 3-3/4 2-7/8 4.125 2.500 1-7/8 1/4 9/32 .474 1-1/16
JRS-32-OPN 2 2400 5 2.125 6 4-3/4 3-5/8 5.250 3.250 2-1/2 3/8 13/32 .600 1-3/8
JRS-48-OPN 3 6260 14 3.500 8-3/8 5-1/2 5-1/2 7.000 4.000 3-5/8 5/8 21/32 1.000 2-1/8

Double Pillow Block


DOUBLE PILLOW BLOCKS
Note: Twice the load capacity as the single (SPB), same footprint

JET RAIL
Part Number		 SHAFT
DIA		 DYN.
LOAD		    JET RAIL DIMENSIONS 
WGT. A B C D E F G BOLT HOLE J K L
JRD-8-OPN 1/2 800 .5 .687 2 2 1-5/32 1.688 1.625 1 #6 5/32 .240 5/16 .494
JRD-10-OPN 5/8 1000 .7 .875 2-1/2 2-1/2 1-13/32 2.125 2.000 1-1/16 #8 3/16 .270 3/8 .562
JRD-12-OPN 3/4 1200 .8 .937 2-3/4 2-5/8 1-9/16 2.375 1.250 1-1/16 #8 3/16 .300 7/16 .562
JRD-16-OPN 1 1910 1.2 1.187 3-1/4 2-5/8 2 2.875 1.750 1-3/8 #10 7/32 .360 11/16 .720
JRD-20-OPN 1-1/4 2800 2.3 1.500 4 3-3/8 2-9/16 3.500 2.000 1-3/4 #10 7/32 .424 13/16 .812
JRD-24-OPN 1-1/2 3320 3 1.750 4-3/4 3-3/4 2-7/8 4.125 2.500 1-7/8 1/4 9/32 .474 1-1/16 .937
JRD-32-OPN 2 4800 5.5 2.125 6 4-3/4 3-5/8 5.250 3.250 2-1/2 3/8 13/32 .600 1-3/8 1.062
JRD-48-OPN 3 12500 20 3.500 8-3/8 7-1/4 5-1/2 7.000 5.875 3-5/8 5/8 21/32 1.000 2-1/8 2.020

Twin Pillow Block

TWIN PILLOW BLOCKS

Note: Same load capacity as the double roller (DPB), twin footprint

JET RAIL
Part Number		 SHAFT
DIA.		 DYN.
LOAD		   JET RAIL DIMENSIONS 
WGT. A B C D E F G BOLT HOLE J K L
JRT-8-OPN 1/2 800 .8 .687 2 3-1/2 1-5/32 1.688 2.500 1 #6 5/32 .240 5/16 1.500
JRT-10-OPN 5/8 1000 1.0 .875 2-1/2 4 1-13/32 2.125 3.000 1-1/16 #8 3/16 .270 3/8 2.125
JRT-12-OPN 3/4 1200 1.2 .937 2-3/4 4-1/2 1-9/16 2.375 3.500 1-1/16 #8 3/16 .300 7/16 2.500
JRT-16-OPN 1 1910 2.3 1.187 3-1/4 6 2 2.875 4.500 1-3/8 #10 7/32 .360 11/16 3.750
JRT-20-OPN 1-1/4 2800 4.4 1.500 4 7-1/2 2-9/16 3.500 5.500 1-3/4 #10 7/32 .424 1-3/16 4.625
JRT-24-OPN 1-1/2 3320 6.5 1.750 4-3/4 9 2-7/8 4.125 6.500 1-7/8 1/4 9/32 .474 1-1/16 5.500
JRT-32-OPN 2 4800 12.4 2.125 6 12 3-5/8 5.250 10.500 2-1/2 3/8 13/32 .600 1-3/8 8.250

METRIC SINGLE PILLOW BLOCKS

Single Pillow Block

JET RAIL
Part Number

 SHAFT
DIA.		 DYN.
LOAD		    JET RAIL DIMENSIONS 
WGT. A B C D E F G BOLT HOLE J K
JRMS-16-0PN 16 MM 500 .5 .877 2-1/2 1-3/4 1-13/32 2.125 1.125 15/16 #8 3/16 .270 3/8
JRMS-20-OPN 20 MM 600 .6 .956 2-3/4 1-7/8 1-9/16 2.375 1.250 1-1/16 #8 3/16 .300 7/16
JRMS-25-OPN 25 MM 955 1 1.179 3-1/4 2-5/8 2 2.875 1.750 1-3/8 #10 7/32 .360 11/16
JRMS-30-OPN 30 MM 1400 2 1.465 4 3-3/8 2-9/16 3.500 2.000 1-3/4 #10 7/32 .424 13/16

METRIC DOUBLE PILLOW BLOCKS

Double Pillow Block

JET RAIL
Part Number		 SHAFT
DIA.		 DYN.
LOAD		    JET RAIL DIMENSIONS 
WGT. A B C D E F G BOLT HOLE J K L
JRMD-16-OPN 16 MM 1000 .7 .877 2-1/2 2-1/2 1-13/32 2.125 2.000 15/16 #8 3/16 .270 3/8 .562
JRMD-20-OPN 20 MM 1200 .8 .956 2-3/4 2-5/8 1-9/16 2.375 1.250 1-1/16 #8 3/16 .300 7/16 .562
JRMD-25-OPN 25 MM 1910 1.2 1.179 3-1/4 2-5/8 2 2.875 1.750 1-3/8 #10 7/32 .360 11/16 .720
JRMD-30-OPN 30 MM 2800 3 1.465 4 3-3/8 2-9/16 3.500 2.000 1-3/4 #10 7/32 .424 13/16 .812

METRIC TWIN PILLOW BLOCKS

Twin Pillow Block

JET RAIL
Part Number		 SHAFT
DIA.		 DYN.
LOAD		    JET RAIL DIMENSIONS 
WGT. A B C D E F G BOLT HOLE J K L
JRMT-16-OPN 16 MM 1000 1 .877 2-1/2 4 1-13/32 2.125 3.000 15/16 #8 3/16 .270 3/8 2.125
JRMT-20-OPN 20 MM 1200 1.2 .956 2-3/4 4-1/2 1-9/16 2.375 3.500 1-1/16 #8 3/16 .300 7/16 2.500
JRMT-25-OPN 25 MM 1910 2.3 1.179 3-1/4 6 2.0 2.875 4.500 1-3/8 #10 7/32 .360 11/16 3.750
JRMT-30-OPN 30 MM 2800 4.4 1.465 4 7-1/2 2-9/16 3.500 5.500 1-3/4 #10 7/32 .424 13/16 4.625

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