BU UR95

BU UR95 BACKUP-UP O-RING by Patriot Fluid Power
Seal Information
MATERIAL :URETHANE (AU, EU)
TEMPERATURE RANGE :-65°F (-54°C) TO +250°F (121°C) Depending on compound
HARDNESS :95 Shore A (See Chart)
PART NUMBER :(BU)–(Dash No.)(UR95)
Chemical Compatibility : – Hydraulic oil and gasoline resistance
– Pure aliphatic hydrocarbons (propane, butane, fuel)
– Mineral and silicone oils and greases
– Water, oxygen, ozone, and aging
– Excellent tear and abrasion resistance

Polyurethane rubber (AU-polyester urethane, EU-polyether urethane) is a thermoplastic elastomer formed by reacting a polyol with a diisocyanate or a polymeric isocyanate in the presence of suitable catalysts and additives. Urethane rubber is widely used due to its high strength, and excellent tear and abrasion resistance. Polyurethane also provides excellent permeation resistance.

Cross Section
0.062″
116
0.093″
332
0.125″
18
0.187″
316
0.250″
14
A Nom ID
0.562″
916
0.625″
58
0.687″
1116
0.812″
1316
0.937″
1516
1″
1.062″
1116
1.125″
118
1.250″
114
1.312″
1516
1.375″
138
1.437″
1716
1.500″
112
1.625″
158
1.750″
134
1.875″
178
2″
2.062″
2116
2.250″
214
2.375″
238
2.437″
2716
2.625″
258
2.750″
234
2.812″
21316
2.875″
278
3″
3.125″
318
3.250″
314
3.500″
312
3.750″
334
3.875″
378
4″
4.250″
414
4.375″
438
4.625″
458
4.750″
434
4.875″
478
5″
5.125″
518
5.250″
514
5.375″
538
5.500″
512
5.625″
558
5.750″
534
5.875″
578
6.250″
614
6.750″
634
7.250″
714
7.500″
712
7.750″
734
8″
8.500″
812
8.750″
834
9″
9.500″
912
9.750″
934
10.500″
1012
11″
11 
13″
13 
B Nom OD
0.750″
34
0.812″
1316
0.875″
78
0.937″
1516
1″
1.062″
1116
1.187″
1316
1.312″
1516
1.375″
138
1.437″
1716
1.500″
112
1.562″
1916
1.625″
158
1.687″
11116
1.750″
134
1.875″
178
2″
2.125″
218
2.187″
2316
2.250″
214
2.375″
238
2.437″
2716
2.562″
2916
2.625″
258
2.750″
234
2.812″
21316
2.875″
278
2.937″
21516
3″
3.187″
3316
3.250″
314
3.500″
312
3.625″
358
3.875″
378
4″
4.125″
418
4.250″
414
4.625″
458
4.750″
434
5.125″
518
5.250″
514
5.375″
538
5.437″
5716
5.500″
512
5.625″
558
5.750″
534
5.875″
578
5.937″
51516
6″
6.375″
638
6.500″
612
6.750″
634
7″
7.250″
714
7.500″
712
7.750″
734
7.875″
778
8″
8.125″
818
8.250″
814
8.750″
834
8.875″
878
9″
9.125″
918
9.500″
912
10″
10 
10.125″
1018
10.750″
1034
11.250″
1114
13.500″
1312
C Nom Hgt
0.049″
0.049 
0.050″
0.050 
0.053″
0.053 
0.076″
0.076 
0.117″
0.117 
ProductCross SectionA Nom IDB Nom ODC Nom HgtAvailability
BU‑113 UR95 332
0.093″
916
0.562″
34
0.750″
0.053 
0.053″
STOCK
BU‑207 UR95 18
0.125″
916
0.562″
1316
0.812″
0.050 
0.050″
STOCK
BU‑311 UR95 316
0.187″
916
0.562″
1516
0.937″
0.076 
0.076″
*1-3 Days
BU‑016 UR95 116
0.062″
58
0.625″
34
0.750″
0.049 
0.049″
*1-3 Days
BU‑312 UR95 316
0.187″
58
0.625″
1″
0.076 
0.076″
STOCK
BU‑017 UR95 116
0.062″
1116
0.687″
1316
0.812″
0.049 
0.049″
STOCK
BU‑115 UR95 332
0.093″
1116
0.687″
78
0.875″
0.053 
0.053″
*1-3 Days
BU‑117 UR95 332
0.093″
1316
0.812″
1″
0.053 
0.053″
*1-3 Days
BU‑211 UR95 18
0.125″
1316
0.812″
1116
1.062″
0.050 
0.050″
*1-3 Days
BU‑213 UR95 18
0.125″
1516
0.937″
1316
1.187″
0.050 
0.050″
*1-3 Days
BU‑120 UR95 332
0.093″
1″
1316
1.187″
0.053 
0.053″
*1-3 Days
BU‑023 UR95 116
0.062″
1116
1.062″
1316
1.187″
0.049 
0.049″
*1-3 Days
BU‑215 UR95 18
0.125″
1116
1.062″
1516
1.312″
0.050 
0.050″
*1-3 Days
BU‑216 UR95 18
0.125″
118
1.125″
138
1.375″
0.050 
0.050″
*1-3 Days
BU‑320 UR95 316
0.187″
118
1.125″
112
1.500″
0.076 
0.076″
*1-3 Days
BU‑124 UR95 332
0.093″
114
1.250″
1716
1.437″
0.053 
0.053″
*1-3 Days
BU‑322 UR95 316
0.187″
114
1.250″
158
1.625″
0.076 
0.076″
STOCK
BU‑125 UR95 332
0.093″
1516
1.312″
112
1.500″
0.053 
0.053″
*1-3 Days
BU‑219 UR95 18
0.125″
1516
1.312″
1916
1.562″
0.050 
0.050″
*1-3 Days
BU‑323 UR95 316
0.187″
1516
1.312″
11116
1.687″
0.076 
0.076″
*1-3 Days
BU‑126 UR95 332
0.093″
138
1.375″
1916
1.562″
0.053 
0.053″
*1-3 Days
BU‑324 UR95 316
0.187″
138
1.375″
134
1.750″
0.076 
0.076″
*1-3 Days
BU‑221 UR95 18
0.125″
1716
1.437″
11116
1.687″
0.050 
0.050″
*1-3 Days
BU‑029 UR95 116
0.062″
112
1.500″
158
1.625″
0.049 
0.049″
*1-3 Days
BU‑222 UR95 18
0.125″
112
1.500″
134
1.750″
0.050 
0.050″
*1-3 Days
* This is an estimated delivery time, all delivery times may vary depending on factory lead times. A confirming sales order will be sent to you with updated delivery information when necessary.
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