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Falk™ Motoreducers & Speed Reducers • Parts Guide
Types EBZ & CB • Size 75
(Page 1 of 8)
Introduction
Variances
This parts guide is designed to assist in ordering replacements
parts for standard Type “EBZ” and “CB” triple, quadruple and
quintuple reduction Motoreducers and Speed Reducers, Size
75. Consult Factory for special or modified units.
1. IDENTIFY DRIVE — Record Drive Model, Ratio and M.O.
Number from nameplate.
The primary variances for these units are low speed helical
gear width (wide or narrow) and drives with backstops.
2. IDENTIFY INDIVIDUAL PARTS —
Ref. No. Part Description
Use exploded view on Pages 2 thru 7
4A-1
Bearing
and Part Descriptions on Page 8 to
4A-2
Bearing
4A-3
Pinion & Shaft
determine Ref. No. of required parts.
4A-4
4A-5
Sample Nameplate
ENCLOSED
GEAR DRIVE
R
MODEL
M.O.
INPUT
RPM
OUTPUT
RPM
CLASS
Gear
Locknut
251-75EBZ4-16B12
7-935429 RATIO 88.61
SERVICE
RATING HP 25
1750
SERVICE
FACTOR
20
APPROX
DATE 7/79
U.S. GALS
www.rexnord.com
1220915
NOTE: Replace seals, shims, and gaskets whenever
reassembling a drive. Shim-gaskets and fasteners are available
only in kits as shown below.
Gear Drive Identification
25
1
75 EBZ
HP
Class
Drive Size
Drive Type
No. Reductions
Variance
Model
Ratio Symbol or Exact Ratio
4
16
B
12
SHIMS & GASKETS — See Kit Ref 119
FASTENERS — See Kit Ref 124
Corrosion Protection & Storage
CAUTION: Follow guidelines below to avoid damage to parts.
1. For domestic or indoor storage, Factory provides standard
24 month protection as boxed or optional 24 month
protection for individual parts.
2. For export or outdoor storage, Factory provides optional 18
month protection.
CAUTION: This protection does not cover exposure to
elements such as standing water, etc.
Rexnord Industries, LLC, Gear Group
3001 W. Canal St., Zip 53208-4200, Milwaukee, WI USA Telephone : 414-342-3131
Fax: 414-937-4359 e-mail: info@rexnord.com web: www.rexnord.com
333-337
October 1993 (.pdf revision)
Supersedes 11-71
Parts Guide • Falk™ Motoreducers & Speed Reducers
(Page 2 of 8)
Size 75 • Types EBZ & CB
Triple Reduction
333-337
October 1993 (.pdf revision)
Supersedes 11-71
Rexnord Industries, LLC, Gear Group
3001 W. Canal St., Zip 53208-4200, Milwaukee, WI USA Telephone: 414-342-3131
Fax: 414-937-4359 e-mail: info@rexnord.com web: www.rexnord.com
Falk™ Motoreducers & Speed Reducers • Parts Guide
Types EBZ & CB • Size 75
Rexnord Industries, LLC, Gear Group
3001 W. Canal St., Zip 53208-4200, Milwaukee, WI USA Telephone : 414-342-3131
Fax: 414-937-4359 e-mail: info@rexnord.com web: www.rexnord.com
(Page 3 of 8)
333-337
October 1993 (.pdf revision)
Supersedes 11-71
Parts Guide • Falk™ Motoreducers & Speed Reducers
(Page 4 of 8)
Size 75 • Types EBZ & CB
Quadruple Reduction
333-337
October 1993 (.pdf revision)
Supersedes 11-71
Rexnord Industries, LLC, Gear Group
3001 W. Canal St., Zip 53208-4200, Milwaukee, WI USA Telephone: 414-342-3131
Fax: 414-937-4359 e-mail: info@rexnord.com web: www.rexnord.com
Falk™ Motoreducers & Speed Reducers • Parts Guide
Types EBZ & CB • Size 75
Rexnord Industries, LLC, Gear Group
3001 W. Canal St., Zip 53208-4200, Milwaukee, WI USA Telephone : 414-342-3131
Fax: 414-937-4359 e-mail: info@rexnord.com web: www.rexnord.com
(Page 5 of 8)
333-337
October 1993 (.pdf revision)
Supersedes 11-71
Parts Guide • Falk™ Motoreducers & Speed Reducers
(Page 6 of 8)
Size 75 • Types EBZ & CB
Quintuple Reduction
333-337
October 1993 (.pdf revision)
Supersedes 11-71
Rexnord Industries, LLC, Gear Group
3001 W. Canal St., Zip 53208-4200, Milwaukee, WI USA Telephone: 414-342-3131
Fax: 414-937-4359 e-mail: info@rexnord.com web: www.rexnord.com
Falk™ Motoreducers & Speed Reducers • Parts Guide
Types EBZ & CB • Size 75
Rexnord Industries, LLC, Gear Group
3001 W. Canal St., Zip 53208-4200, Milwaukee, WI USA Telephone : 414-342-3131
Fax: 414-937-4359 e-mail: info@rexnord.com web: www.rexnord.com
(Page 7 of 8)
333-337
October 1993 (.pdf revision)
Supersedes 11-71
Parts Guide • Falk™ Motoreducers & Speed Reducers
Size 75 • Types EBZ & CB
(Page 8 of 8)
Ref. No.
4
4B
12
13
14/18
26
27
46
48
50
52
54
55
58
64
66
74
83
84
85
88
114
119
124
Description
Seal Cage, Replace with Ref 114
Seal
Bearing Cage
Bearing Cage
Head & Bearing Plate, Incls Ref 16 & 48
Thrust Plate
Thrust Plate
Expansion Plug
Oil Wiper Kit
Seal Cage
End Cover
Seal
Seal
End Cover
Seal Cage
Bevel Housing, Incls Ref 66A
Thrust Plate
Bearing Cage
Head
Expansion Plug
Lifting Lug Kit
Seal Cage Assembly, Incls Ref 4, 4B & 5
Shim-Gasket Kit, Incls Ref 5, 19, 24, 24A, 62, 63, 76 & 82
Fastener Kit, Incls Ref 16, 23, 28, 51, 56, 60, 87, 90, 92, 94 & 115
1A2
1A2-1
1A2-2
1A2-3
1A2-4
1A2-5
1A2-11
Shaft Assembly, Incls Ref 1A2-1 thru 1A2-11
Bearing
Bearing
Shaft
Pinion
Spacer
Locknut
1A3
1A3-1
1A3-2
1A3-3
1A3-4
1AC2
1AC2-1
1AC2-2
1AC2-3
1AC2-4
1AC2-5
1AC2-10
1AC2-11
1AC2-15
1AC3
1AC3-1
1AC3-2
1AC3-3
1AC3-4
1AC3-10
1AC4
1AC4-1
1AC4-2
1AC4-3
1AC4-4
1AC4-10
Description
1AS2
Shaft Assembly, Incls Ref 1AS2-1 thru 1AS2-30
1AS2-2
1AS2-4
1AS2-5
1AS2-11
1AS2-19
1AS2-30
Shaft Assembly, Incls Ref 1A4-1 thru 1A4-4
5AB
Shaft Assembly, Incls Ref 1AC2-1 thru 1AC2-15
Shaft Assembly, Incls Ref 1AC3-1 thru 1AC3-10
Bearing
Bearing
Shaft
Pinion
Bearing Cage
Shaft Assembly, Incls Ref 2A-1 thru 2A-8
Bearing
Bearing
Pinion & Shaft
Gear
Spacer
Locknut
3A
3A-1
3A-2
3A-3
3A-4
3A-5
3A-5A
3A-6
3A-8
4A
Bearing
Bearing
Shaft
Pinion
Spacer
Bearing Cage
Locknut
Spacer
Shaft Assembly, Incls Ref 1AS3-1 thru 1AS3-30
Bearing
Pinion
Sprag & Spring Kit
Backstop Sub-Assembly, Incls Ref 1AS3-19
2A
2A-1
2A-2
2A-4
2A-5
2A-5A
2A-8
4A-1
4A-2
4A-3
4A-4
4A-5
Bearing
Bearing
Shaft
Pinion
Bearing
Pinion
Spacer
Locknut
Sprag & Spring Kit
Backstop Sub-Assembly, Incls Ref 1AS2-19
1AS3
1AS3-2
1AS3-4
1AS3-19
1AS3-30
Shaft Assembly, Incls Ref 1A3-1 thru 1A3-4
Bearing
Bearing
Shaft
Pinion
1A4
1A4-1
1A4-2
1A4-3
1A4-4
Ref. No.
5AB-1
5AB-2
5AB-3
5AB-4
5AB-9
5AB-10
Shaft Assembly, Incls Ref 3A-1 thru 3A-8
Bearing
Bearing
Shaft
Pinion
Gear
Spacer
Locknut
Locknut
Shaft Assembly, Incls Ref 4A-1 thru 4A-5
Bearing
Bearing
Pinion & Shaft
Gear
Locknut
Shaft Assembly, Excludes Ref 5AB-9
Bearing
Bearing
Shaft
Gear
Bevel Pinion, Replace with Ref 6AB
Locknut & Washer
6AB
Bevel Pinion/Gear Set
7AB
Shaft Assembly, Excludes Ref 7AB-4
7AB-1
7AB-2
7AB-3
7AB-4
7AB-19
7AB-20
7AB-21
Bearing
Bearing
Shaft
Gear, Replace with Ref 6AB
Baffle
Collar
Collar
Shaft Assembly, Incls Ref 1AC4-1 thru 1AC4-10
Bearing
Bearing
Shaft
Pinion
Bearing Cage
333-337
October 1993 (.pdf revision)
Supersedes 11-71
Rexnord Industries, LLC, Gear Group
3001 W. Canal St., Zip 53208-4200, Milwaukee, WI USA Telephone: 414-342-3131
Fax: 414-937-4359 e-mail: info@rexnord.com web: www.rexnord.com