Enhanced Lubrication Seal Sizes

Standard Width Enhanced Lubrication Seals

Basic Inside Diameter Seal Part Number* Seal Radial Depth D
Seal Axial Width (inches)
Gland Depth R (inches)**
Gland Width (inches) +0.005″ -0.000″**
EL Wave type EL Wave Qty Estimated As-Molded Diameter
-10 -11 -106
0.394″ 10.00 mm 568-171-* 0.186 ±0.003 0.160 0.166 0.215 A 1 0.394″ 10.00 mm 0.394″ 10.00 mm
0.550″ 13.97 mm 568-180-* 0.202 ±0.003 0.170 0.182 A 2 0.550″ 13.97 mm 0.550″ 13.97 mm
0.709″ 18.00 mm 568-164-* 0.186 ±0.003 0.160 0.166 0.206 A 2 0.709″ 18.00 mm 0.709″ 18.00 mm
0.814″ 20.68 mm 568-169-* 0.145 ±0.003 0.160 0.125 0.209 A 3 0.814″ 20.68 mm 0.814″ 20.68 mm
0.981″ 24.92 mm 568-167-* 0.145 ±0.003 0.160 0.125 0.209 A 3 0.981″ 24.92 mm 0.981″ 24.92 mm
1.500″ 38.10 mm 568-133-* 0.335 ±0.005 0.250 0.309 0.310 A 5
1.969″ 50.00 mm 568-185-* 0.335 ±0.005 0.250 0.309 0.310 C 6
1.969″ 50.00 mm 568-146-* 0.335 ±0.005 0.250 0.309 0.310 A 6 1.967″ 49.96 mm 1.969″ 50.00 mm
2.000″ 50.80 mm 568-137-* 0.335 ±0.005 0.250 0.309 0.310 A 6 1.994″ 50.65 mm 1.996″ 50.70 mm
2.750″ 69.85 mm 568-161-* 0.212 ±0.005 0.250 0.189 0.305 A 9
2.750″ 69.85 mm 568-24-* 0.335 ±0.005 0.250 0.309 0.310 A 9
2.750″ 69.85 mm 568-39-* 0.335 ±0.005 0.250 0.309 0.310 B 9
2.750″ 69.85 mm 568-43-* 0.335 ±0.005 0.250 0.309 0.310 C 9
5.000″ 127.00 mm 568-139-* 0.445 ±0.005 0.300 0.419 0.355 A 16 5.020″ 127.51 mm 5.025″ 127.64 mm 5.000″ 127.00 mm
9.012″ 228.90 mm 568-190-* 0.329 ±0.005† 0.210† 0.303† 0.250† C 29
9.765″ 248.03 mm 568-114-* 0.450 ±0.006 0.300 0.424 0.355 A 31
10.945″ 278.00 mm 568-121-* 0.450 ±0.006 0.300 0.424 0.355 A 35 10.945″ 278.00 mm 10.945″ 278.00 mm
13.000″ 330.20 mm 568-131-* 0.415 ±0.005 0.300 0.389 0.355 A 42

Wide Footprint Enhanced Lubrication Seals (Lip is 1.5 times wider than standard width)

Nominal Inside Diameter for -10 and –11 materials* Seal Part Number* Seal Radial Depth D
Seal Axial Width (inches)
Gland Depth R (inches)**
Gland Width (inches) +0.005″ -0.000″**
EL Wave type EL Wave Quantity
1.062″ 26.97 mm 641-17-* 0.208 ±0.003 0.220 0.188 0.285 C 3
1.969″ 50.00 mm 641-9-* 0.345 ±0.005 0.240 0.309 0.302 C 6
1.969″ ŧ 50.00 mm 641-29-* 0.345 ±0.005 0.240 0.309 0.302 B 6
2.250″ 57.15 mm 641-19-* 0.270 ±0.005 0.240 0.244 0.302 C 6
2.250″ 57.15 mm 641-23-* 0.345 ±0.005 0.240 0.309 0.292 C 6
2.250″ 57.15 mm 641-22-* 0.345 ±0.005 0.240 0.309 0.292 F 6
2.750″ 69.85 mm 641-7-* 0.345 ±0.005 0.240 0.309 0.289 F 9
3.375″ 85.73 mm 641-15-* 0.305 ±0.005 0.240 0.274 0.292 C 11
3.500″ 88.90 mm 641-1-* 0.345 ±0.005 0.240 0.309 0.289 A 11
3.500″ 88.90 mm 641-21-* 0.345 ±0.005 0.240 0.309 0.289 C 11
3.500″ 88.90 mm 641-3-* 0.305 ±0.005 0.240 0.274 0.292 C 11
3.500″ 88.90 mm 641-5-* 0.270 ±0.005 0.240 0.244 0.292 C 11
10.375″ 363.53 mm 641-27-* 0.450 ±0.005 0.300 0.415 0.355 A 33

Wide Footprint Enhanced Lubrication Seals (Lip is 1.75 times wider than standard width)

Nominal Inside Diameter for -10 and -11 materials* Seal Part Number* Seal Radial Depth D
Seal Axial Width (inches)
Gland Depth R (inches)**
Gland Width (inches) +0.005″ -0.000″**
EL Wave type EL Wave Quantity
2.750″ 69.85 mm 660-1-* 0.345 ±0.005 0.240 0.309 0.289 C 9

Extra Wide Enhanced Lubrication Seals (Lip is 2.4 times wider than standard width)

Nominal Inside Diameter for -10 and -11 materials* Seal Part Number* Former Part Number* Seal Radial Depth D
Seal Axial Width (inches)
Gland Depth R (inches)**
Gland Width (inches) +0.005″ -0.000″**
EL Wave type EL Wave Quantity
2.750″ 69.85 mm 655-4-* 568-79-* 0.335 ±0.005 0.335 0.309 0.400 A 9
2.750″ 69.85 mm 655-7-* 0.335 ±0.005 0.335 0.309 0.400 F 9
4.500″ 114.30 mm 655-10-* 0.415 ±0.005 0.335 0.389 0.400 A 14
5.000″ 127.00 mm 655-6-* 568-141-* 0.445 ±0.005 0.335 0.419 0.400 A 16
8.268″ 210.00 mm 655-5-* 568-135-* 0.415 ±0.005 0.335 0.389 0.400 A 26
8.434″ 214.22 mm 655-3-* 0.415 ±0.005 0.300 0.389 0.365 A 27
10.900″ 276.86 mm 655-15-* 0.415 ±0.005 0.300 0.389 0.365 A 35
  • Additional sizes can be furnished, subject to a one-time tooling charge to help to defray associated engineering, machining and set-up expenses.
  • To download the current rotary seal implementation guidelines (Kalsi Seals Handbook) in PDF format, click here.
  • Seal purchase orders should be sent to the attention of Seal Sales via fax number (281-240-0255) or e-mail.

* The complete seal part number consists of the basic part number plus the material dash number. Actual diameter varies as a function of material selected. New tooling may be required for certain materials.
** For gland details, see Chapter D5 of the Kalsi Seals Handbook. Gland depth can sometimes be varied to achieve specific objectives; see handbook.

† Non-standard cross-sectional size, a rotary seal for oilfield rotory valve actuators with a 9″ shaft..

ŧ New size, tooling in progress.

Updated: May 11, 2016

Kalsi Seals are offered for sale under the terms and conditions of the “Offer of Sale” that is included in the current revision of the Kalsi Seals Handbook.