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Action Bearing Company
201 Brighton Avenue
Boston, MA 02134
Phone: (800) 225-4587 • Fax: (800) 252-1996
Email: info@actionbearing.com
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Extended inner rings provide additional design flexibility. Sizes from 0.0400" inner diameter to 0.8750" outer diameter are available. Like the other DDRI series bearings, they provide high performance and precision for small applications, and are best suited for moderate radial and thrust loads at low levels of torque. Available in chrome and stainless steel, Abec classes 1-9.

DDRI Extended Inner Ring Miniature / Instrumentation Ball Bearings
BB4-DDRI-ext-inner-ring
Unit of Measure
Items DDRI Extended Inner Ring Miniature / Instrumentation Ball Bearings
DDRI-2
DDRI Series Extended Inner Ring Miniature / Instrumentation Ball Bearings 		DDRI Extended Inner Ring Miniature / Instrumentation Ball Bearings
DDRI-2 1/2
DDRI Series Extended Inner Ring Miniature / Instrumentation Ball Bearings 		DDRI Extended Inner Ring Miniature / Instrumentation Ball Bearings
DDRI-3
DDRI Series Extended Inner Ring Miniature / Instrumentation Ball Bearings 		DDRI Extended Inner Ring Miniature / Instrumentation Ball Bearings
DDRI-4
DDRI Series Extended Inner Ring Miniature / Instrumentation Ball Bearings 		DDRI Extended Inner Ring Miniature / Instrumentation Ball Bearings
DDRI-3332
DDRI Series Extended Inner Ring Miniature / Instrumentation Ball Bearings
(d) Bore Diameter N/A 0.0400 in N/A 0.0469 in N/A 0.0550 in N/A 0.0781 in N/A 0.0937 in
(D) Outer Diameter N/A .1250 in N/A .1562 in N/A .1875 in N/A .2500 in N/A .1875 in
(B) Width N/A .0781 in N/A .0937 in N/A .1094 in N/A .1250 in N/A .0937 in
(C) Width N/A .0469 in N/A .0625 in N/A .0781 in N/A .0937 in N/A .0625 in
Available Bearing Types N/A Flanged Standard
Common Options N/A A 1-7-- Abec class 1-7 DD-- Two Rubber Seals EE-- Extended Inner Ring LG-- Lubricant: Grease LO-- Lubricant: Oil P 2-5-- Radial play in ten thousandths ZZ-- Two Metal Shields