Rack & Pinion Range Overview

Range of Racks: (click on series number to see PDF catalog page)

Series	Style	Module	Heat Treatment	Quality Level
A10	Straight (spur)	1.5, 2, 2.5, 3, 4, 5, 6, 8, 10	Hardened and Ground	6 h 25 (~AGMA 12)
A20	Straight (spur)	2, 3, 4	Quenched and Tempered	8 e 27 (~AGMA 10)
A30	Straight (spur)	1, 1.5, 2, 2.5, 3, 4, 5, 6, 8	Soft	9 e 27 (~AGMA 9)
A40	Straight (spur)	2, 3, 4	Induction Hardened	10 e 27 (~AGMA 8)
A50	Straight (spur)	2, 5, 7.5, 10 circular pitch, p	Hardened and Ground	6 h 23 (~AGMA 12)
A60	Straight (spur)	10, 12.5, 16, 20, 25 circular pitch, p	Induction Hardened	9 h 25 (~AGMA 9)
A70	Straight (spur)	2,5, 7.5, 10, 12.5 circular pitch, p	Soft	7 h 25 (~AGMA 11)
A11	Helical	1.5, 2, 2.5, 3, 4, 5, 6, 8, 10	Hardened and Ground	6 h 25 (~AGMA 12)
A21	Helical	2, 3, 4	Quenched and Tempered	8 e 27 (~AGMA 10)
A31	Helical	2, 3, 4	Soft	9 e 27 (~AGMA 9)
Call Andantex for detailed information about A31
A41	Helical	2, 3, 4	Induction Hardened	10 e 27 (~AGMA 8)

Rack Range Part Numbering System

Range of Pinions: (click on part number to see PDF catalog page)

Part Number	Style	Module	Heat Treatment	Quality Level
Pinions - Plain Bore
254 0	Straight (spur)	1.5, 2, 2.5, 3, 4, 5, 6, 8	Hardened and Ground	6 f 24 (~AGMA 11)
254 5	Helical	1.5, 2, 2.5, 3, 4, 5, 6, 8	Hardened and Ground	6 f 24 (~AGMA 11)
154	Straight (spur)	2, 5, 7.5, 10, 12.5, 16, 20, 25 circular pitch	Hardened and Ground	6 f 24 (~AGMA 11)
Pinions - Bored and Keyed
113	Straight (spur)	2, 3, 4	Hardened and Ground	7 e 25 (~AGMA 10)
123	Helical	2, 3, 4	Hardened and Ground	7 e 25 (~AGMA 10)
Pinions - Flange mounted per ISO 9409-1
OP	Helical	2, 2.5, 3, 4, 5, 6	Hardened and Ground	5 f 24 (~AGMA 12)
Pinions - Shaft
201	Straight (spur)	1, 1.5, 2, 2.5, 3, 4, 5, 6, 8	Hardened and Ground	6 f 24 (~AGMA 11)
900	Straight (spur)	2, 5, 7.5, 10 circular pitch	Hardened and Ground	6 f 24 (~AGMA 11)
4	Straight (spur)	2, 5, 7.5, 10, 12.2, 16, 20 circular pitch	Hardened and Ground	6 f 24 (~AGMA 11)
211	Helical	1.5, 2, 2.5, 3,, 14, 5, 6, 8	Hardened and Ground	6 f 24 (~AGMA 11)

To insure proper selection, please consult the factory. If you have any questions regarding the information provided here or require more information, please call us at (800) 713-6170 or e-mail us. Our Sales and Engineering departments are ready to help you with your specific power transmission needs.