Sealmaster ER-T Series Data Sheet

MOUNTED BALL BEARINGS

ER-T Series Style “A” Extended Inner Ring Bearing Assemblies...

SHAFT BRG Dimensions in Inches
DIAM. NO.

IN

3/4 ER-12T 1.8504 1 9/32 13/32 7/8 31/64 1 3/16 11/64 3 /64 3/32 1 3/4 5/8 1 5/8 .040 .094 2 1/16 3/8 .56

1 ER-16T 2.0472 1 7/16 33/64 59/64 39/64 1 3/8 13/64 3/ 64 3/32 1 15/16 3/4 1 55/64 .040 .135 2 17/64 3/8 .68
1 1/8 ER-18T 62MM

1 3/16 ER-19T 2.4409 1 9/16 5/8 15/16 11/16 1 19/32 7/32 1/16 1 / 8 2 3/16 7/8 2 5/32 .040 .187 2 21/32 3/8 .93
1 1/4 ER-20T 2 7/16

1 3/8 ER-22T 72MM 1 3/4 11/16 1 1/16 3/4 1 55/64 7/32 1/16 1/ 8 15/16 2 9/16 .040 .219 3 5/64 7/16 1.37
1 7/16 ER-23T 2.8346 2 9/16

1 1/2 ER-24T 3.1496 2 3/4 1 1/4 29/32 2 1/16 1/4 1/16 1/8 2 11/16 1 3/32 2 53/64 .062 .203 3 13/32 7/16 2.00
1 11/16 ER-27T 85MM

1 3/4 ER-28T 3.3465 2 3/4 1 1/4 29/32 2 19/64 1/4 1/16 1/8 2 15/16 1 3/32 3 1/16 .062 .203 3 19/32 7/16 2.31

1 15/16 ER-31T 3.5433 2 3/32 3/4 1 11/32 29/32 2 15/32 19/64 3/32 1/8 3 3/8 1 1/8 3 7/32 .062 .188 3 25/32 9/16 2.43
2 ER-32T 100MM 3 1/2

2 3/16 ER-35T 3.9370 2 1/4 7/8 1 3/8 31/32 2 23/32 19/64 3/32 1/8 3 5/8 1 3/16 3 9/16 .080 .281 4 3/16 9/16 3.00

2 7/16 ER-39T 4.3307 2 5/8 1 1 5/8 1 1/32 2 63/64 19/64 3/32 1/8 4 1/8 1 1/4 3 15/16 .080 .375 4 37/64 11/16 4.00

See load ratings, see page 77.
For standard duty SKWEZLOC Bearing Inserts, see page 76.

A B C D E F G H J L M N RAD O P Q

47MM

52MM

80MM

90MM

110MM

Skwezloc Locking

Series Style “A” “ER” Mounting Fits Table

ER HOUSING DIM EN SION RECOMM ENDATIO NS

SHAFT

SIZES

1/2 - 3/4

7/8 - 1 2. 047 4 2. 0464 2.0 474 2 .0 473 .0 00 1 .00 10 2. 04 69 2. 046 8 .0 006 .00 05

1 1/ 16 - 1 3/16 2. 4 413 2. 44 03 2.4 413 2. 4 412 .0 00 1 .00 10 2.4408 2.4 40 7 . 0 006 .0005

1 1/4 - 1 7/16 2.8 34 8 2.83 38 2.834 8 2 .834 7 .0 001 .00 10 2. 83 43 2. 834 2 .0 006 .0005
1 1/2 - 1 9/16 3.1 49 8 3.14 88 3.149 8 3 .149 7 .0 001 .00 10 3. 14 93 3. 149 2 .0 006 .0005

1 5/8 - 1 3/4

1 7/ 8 - 1 15/16 3. 5 434 3. 54 24 3.5 437 3. 5 433 .0 00 1 .00 13 3. 5431 3. 5 427 .0 00 7 .00 07

2 - 2 3/16 3 .9 371 3. 93 61 3.9 37 4 3.9 37 0 . 000 1 .00 13 3.93 68 3 .936 4 .0 007 .00 07

2 1/4 - 2 3/16 4.3 30 8 4.32 98 4.331 1 4 .330 7 .0 001 .00 13 4. 33 05 4. 330 1 .0 007 .0007
2 1/ 2 - 2 11/16 4. 9 214 4. 92 04 4.9 220 4. 9 212 .0 00 2 .00 16 4. 9213 4. 9 205 .0 00 9 .00 09
2 7/ 8 - 2 15/16 5. 1 181 5. 11 71 5.1 187 5. 1 179 .0 00 2 .00 16 5. 1180 5. 1 172 .0 00 9 .00 09

3 - 3 3/16 5 .5 119 5. 51 07 5.5 12 3 5.5 11 7 . 000 2 .00 16 5.51 16 5 .511 0 .0 009 .00 09

3 1/4 - 3 7/16 5.9 05 6 5.90 44 5.906 0 5 .905 4 .0 002 .00 16 5. 90 53 5. 904 7 .0 009 .0009

3 11/ 1 6 - 4 7 . 4 806 7. 47 88 7.4 812 7. 4 804 .0 00 2 .00 24 7. 4802 7. 4 794 .0 01 2 .00 14

OUT SIDE DIA. OF CARTRIDGE STATIONARY HOUS I NG REVOLVING HOUSI NG

DI AMETERS DIAMETE RS THEORE TICAL FIT DIA METERS THEO RETICAL FIT

MAX. MIN. MAX. MIN. TIGHT LOOSE MAX. MIN. TIGHT LOOSE

1. 8 506 1. 84 98 1.8 508 1. 8 505 .0 00 1 .0010 1.8503 1.8 50 0 . 0 006 .0005

3.3466 3. 3469 3.3469 3.3465 .0001 .0013 3.3463 3.3459 .0007 .0007

* To install an ER Type bearing into a housing, push ONLY on outer ring to avoid damaging balls and races.

Note: This table is to be used as a guide for machining housings using the “ER” style “A” Extended Inner Ring Bearing.

(INCHES)

UNIT

WT.

75