QD Idler Bushings

Ball Bearing QD Idler Bushings

Q.D. Style Idler Bushings are used with products such as: Sheaves, Roller Chain Sprockets, Synchronous Belt Sprockets and any item that accepts a Q.D. Style Bushing.

part number a b c d e approx. weight
sh-bb 2 11/16" 1 5/16" 5/8" 1 7/8" 7/16" 1.2
SH-BB-7/16"++ 2 11/16" 1 5/16" 7/16" 1 7/8" 7/16" 1.2
SH-BB-1/2"++ 2 11/16" 1 5/16" 1/2" 1 7/8" 7/16" 1.2
sds-bb 3 1/8" 1 5/16" 5/8" 2 3/16" 7/16" 1.5
sd-bb 3 1/8" 1 13/16" 5/8" 2 3/16" 7/16" 1.7
sk-bb 3 7/8" 1 15/16" 3/4" 2 13/16" 9/16" 3
sk-bb hd 3 7/8" 1 15/16" 3/4" 2 13/16" 9/16" 3
sf-bb 4 5/8" 2 1/16" 1" 3/18" 5/8" 3.2
e-bb 6" 2 5/8" 1 3/8" 3.834" .76" 9.1
f-bb 6 5/8" 3.61" 1 1/2" 4 7/16" .88" 14.3

++ Comes with Bolts & Jam Nuts

radial load capacity in lbs       

based on 2500 hours service life at rpm shown

part # 100 RPM 500 RPM 1000 RPM 1200 RPM 1800 RPM
sh-bb 1752 1024 813 765 668
SH-BB-7/16"++ 1752 1024 813 765 668
SH-BB-1/2"++ 1752 1024 813 765 668
sds-bb 1752 1024 813 765 668
sd-bb 1752 1024 813 765 668
sk-bb 2336 1366 1084 1020 891
sk-bb hd 2901 1697 1347 1267 1107
sf-bb 2555 1494 1186 1116 975
e-bb 6113 3572 2837 2670 2332
f-bb 7390 4322 3420 3228 2820

++ Comes with Bolts & Jam Nuts

* Note: Part Numbers ending in: BB = "Ball Bearing" ; NB = "Needle Bearing"
Bushings are furnished with bearings and fasteners.
Q.D. is a registered trademark of Emerson Electric.

needle bearing qd idler bushings

Q.D. Style Idler Bushings are used with products such as: Sheaves, Roller Chain Sprockets, Synchronous Belt Sprockets and any item that accepts a Q.D. Style Bushing.

part # a b c d e approx. weight (lbs)
sh-nb 2 11/16" 1 5/16" 1" 1 7/8" 7/16" 1.2
sds-nb 3 1/8" 1 5/16" 1" 2 3/16" 7/16" 1.5
sd-nb 3 1/8" 1 13/16" 1" 2 3/16" 7/16" 1.7
sk-nb 3 7/8" 1 15/16" 1" 2 13/16" 9/16" 3
sf-nb 4 5/8" 2 1/16" 1 1/2" 3/18" 5/8" 3.2
e-nb 6" 2 3/4" 1 1/2" 3.834" 7/8" 14

radial load capacity in lbs

based on 2500 hours service life at rpm shown

part # 100 RPM 500 RPM 1000 RPM 1200 RPM 1800 RPM
sh-bb 4483 2766 2247 2127 1883
sds-bb 4483 2766 2247 2127 1883
sd-bb 6266 3867 3141 2973 2633
sk-bb 6266 3867 3141 2973 2622
sf-bb 9763 6024 4893 4633 4102
e-nb 9763 6024 4893 4633 4102

* Note: Part Numbers ending in: BB = "Ball Bearing" ; NB = "Needle Bearing"
Bushings are furnished with bearings and fasteners.
Q.D. is a registered trademark of Emerson Electric.

For Ordering, Pricing, and Inquiries:
Tollfree: 1-888-779-9040
Fax: 1-989-779-9020