USH, Piston/Rod Seal Dual Use Packing (Integrated Groove Mounting)
Brand :
NOK
Caution
- Some of the items are scheduled to be discontinued as of end of March in 2023. The manufacturer keep the items produced but they are not available with Misumi.
There are not the replacement items and the plan to resumption of sale. Please check the quotation and order screen for details.
Product Description
Main applicable fluid
● Nitrile rubber (A505)
- General petroleum hydraulic fluid oil.
- Water-glycol type hydraulic fluid oil.
- Oil-water emulsion type hydraulic fluid oil.
● Nitrile rubber (A567)
- Low temperature petroleum hydraulic fluid oil (General petroleum hydraulic fluid oil).
● Fluoro rubber (F357)
- General petroleum hydraulic fluid oil.
- Phosphate ester type hydraulic fluid oil.
Feature
- This can be used both for piston and rod seals.
- This packing has small section and can be fitted in integrated groove.
- This is a type with a smaller section of UPH.
Dimension
.jpg)
R = 0.3 or below, R1 = 0.5 or below
The surface of the rod should be finished by buffling (SPBF) to 0.8 to 1.6 μmRz (0.2 to 0.4 μmRz).
● The roughness is JIS B 2601 : 2001. When regulation length cannot be kept, apply Pt.
.jpg)
R = 0.3 or below, R1 = 0.5 or below ,R2 = 1
The inner surface of the cylinder tube should be finished by buring (RLB) or honing (GH) to 0.4 to 3.2 μmRz (0.1 to 0.8 μmRa).
specially under severe lubricating condition, burnishing is required.
● The roughness is JIS B 2601 : 2001. When regulation length cannot be kept, apply Pt.
Specification Table
USH type Nitrile rubber (NBR), Fluoro rubber (FKM)
Material : Standard NOK A505 Heat Resistant type NOK F357
Note1: When using packing with mark as rod packing, provide separate grooves.
Note2: The Part number and the one stamped on the product might be different in case of heat resistance type.
.jpg)
R = 0.3 or below, R1 = 0.5 or below
The surface of the rod should be finished by buffling (SPBF) to 0.8 to 1.6 μmRz (0.2 to 0.4 μmRz).
● The roughness is JIS B 2601 : 2001. When regulation length cannot be kept, apply Pt.
.jpg)
R = 0.3 or below, R1 = 0.5 or below ,R2 = 1
The inner surface of the cylinder tube should be finished by buring (RLB) or honing (GH) to 0.4 to 3.2 μmRz (0.1 to 0.8 μmRa).
specially under severe lubricating condition, burnishing is required.
● The roughness is JIS B 2601 : 2001. When regulation length cannot be kept, apply Pt.
Specification Table
USH type Nitrile rubber (NBR), Fluoro rubber (FKM)
Material : Standard NOK A505 Heat Resistant type NOK F357
Note1: When using packing with mark as rod packing, provide separate grooves.
Note2: The Part number and the one stamped on the product might be different in case of heat resistance type.
| Nominal size of Packing, and Housing dimensions | Strandard (A505) | Heat resistance type (F357) | Combination backup ring part number | ||||||||
| d | D | h | HA | HB | φ D1 | C | Packing Part Number | Callout Number | Packing Part Number | Callout Number | BRT2 (Biascut) 19YF |
| 12 | 20 | 5 | 5.7 | 7.7 | 19 | 2 | ● CU3248K0 | USH-12 | GN5723V0 | ||
| 14 | 22 | 5 | 5.7 | 7.7 | 21 | 2 | ● CU2692K0 | USH-14 | GN5719V0 | ||
| 16 | 24 | 5 | 5.7 | 7.7 | 23 | 2 | ● CU2548K0 | USH-16 | ● CU2548K2 | USH-16F | GN5720V0 |
| 18 | 26 | 5 | 5.7 | 7.7 | 25 | 2 | CU0180K0 | USH-18 | CU0180K6 | USH-18F | GN4778V0 |
| 20 | 28 | 5 | 5.7 | 7.7 | 27 | 2 | CU0212K0 | USH-20 | CU0212K4 | USH-20F | GN4780V0 |
| 22 | 30 | 5 | 5.7 | 7.7 | 29 | 2 | CU3017K0 | USH-22 | CU3017K3 | USH-22F | GN5726V0 |
| 22.4 | 30 | 5 | 5.7 | 7.7 | 29 | 2 | CU0260K0 | USH-22.4 | CU0260K3 | USH-22.4F | GN4784V0 |
| 23.5 | 31.5 | 5 | 5.7 | 7.7 | 30.5 | 2 | CU0267K0 | USH-23.5 | GN4786V0 | ||
| 24 | 32 | 5 | 5.7 | 7.7 | 31 | 2 | CU2971K0 | USH-24 | CU2971K1 | USH-24F | GN5727V0 |
| 25 | 33 | 5 | 5.7 | 7.7 | 32 | 2.5 | CU0276K0 | USH-25 | CU0276K3 | USH-25F | GN5019V1 |
| 27 | 35 | 5 | 5.7 | 8.7 | 34 | 2.5 | CU3187K0 | USH-27 | GN5707V0 | ||
| 28 | 35.5 | 5 | 5.7 | 8.7 | 34.5 | 2.5 | CU0320K0 | USH-28 | CU0320K2 | USH-28F | GN4791V0 |
| 28 | 36 | 5 | 5.7 | 8.7 | 35 | 2.5 | CU2536K0 | USH-28A | GN5715V0 | ||
| 30 | 40 | 6 | 7 | 10 | 39 | 2.5 | CU0357K0 | USH-30 | CU0357K6 | USH-30F | GN4794V0 |
| 31.5 | 41.5 | 6 | 7 | 10 | 40.5 | 2.5 | CU0382K0 | USH-31.5 | CU0382K1 | USH-31.5F | GN4796V0 |
| 32 | 42 | 6 | 7 | 10 | 41 | 2.5 | CU2819K0 | USH-32 | GN5730V0 | ||
| 35 | 45 | 6 | 7 | 10 | 44 | 2.5 | CU0424K0 | USH-35 | CU0424K3 | USH-35F | GN4799V0 |
| 35.5 | 45 | 6 | 7 | 10 | 44 | 2.5 | CU0451K0 | USH-35.5 | CU0451K1 | USH-35.5F | GN4801V0 |
| 35.5 | 45.5 | 6 | 7 | 10 | 44.5 | 2.5 | CU3253K0 | USH-35.5A | GN5716V0 | ||
| 36 | 46 | 6 | 7 | 10 | 45 | 2.5 | CU3040K1 | USH-36 | GN5733V0 | ||
| 40 | 50 | 6 | 7 | 10 | 49 | 2.5 | CU0497K0 | USH-40 | CU0497K3 | USH-40F | GN4050V0 |
| 45 | 55 | 6 | 7 | 10 | 54 | 2.5 | CU0567K0 | USH-45 | CU0567K4 | USH-45F | GN4804V0 |
| 45 | 56 | 7 | 8 | 11 | 55 | 2.5 | CU0572K0 | USH-45A | CU0572K1 | USH-45AF | GN4805V0 |
| 50 | 60 | 6 | 7 | 10 | 59 | 2.5 | CU0619K0 | USH-50 | CU0619K4 | USH-50F | GN4335V0 |
| 53 | 63 | 6 | 7 | 10 | 62 | 2.5 | CU0679K0 | USH-53 | CU0679K4 | USH-53F | GN4693V0 |
| 55 | 65 | 6 | 7 | 10 | 64 | 2.5 | CU0694K0 | USH-55 | GN4810V0 | ||
| 56 | 66 | 6 | 7 | 10 | 65 | 2.5 | CU0722K0 | USH-56 | CU0722K2 | USH-56F | GN4766V0 |
| 58 | 68 | 6 | 7 | 10 | 67 | 2.5 | CU3255K0 | USH-58 | GN5641V0 | ||
| 60 | 70 | 6 | 7 | 10 | 69 | 2.5 | CU0746K0 | USH-60 | CU0746K3 | USH-60F | GN4676V0 |
| 60 | 71 | 7 | 8 | 11 | 70 | 2.5 | CU0750K0 | USH-60A | GN4812V0 | ||
| 63 | 73 | 6 | 7 | 10 | 72 | 2.5 | CU0786K0 | USH-63 | CU0786K2 | USH-63F | GN4814V0 |
| 65 | 75 | 6 | 7 | 10 | 74 | 2.5 | CU0809K0 | USH-65 | CU0809K2 | USH-65F | GN4816V0 |
| 67 | 77 | 6 | 7 | 10 | 76 | 2.5 | CU0828K0 | USH-67 | CU0828K1 | USH-67F | GN4697V0 |
| 70 | 80 | 6 | 7 | 10 | 79 | 2.5 | CU0849K0 | USH-70 | CU0849K4 | USH-70F | GN4651V0 |
| 71 | 80 | 6 | 7 | 10 | 79 | 2.5 | CU0879K0 | USH-71 | CU0879K1 | USH-71F | GN4818V0 |
| 75 | 85 | 6 | 7 | 10 | 84 | 2.5 | CU0901K0 | USH-75 | GN4692V0 | ||
| 80 | 90 | 6 | 7 | 10 | 89 | 2.5 | CU0939K0 | USH-80 | CU0939K3 | USH-80F | GN4820V0 |
| 85 | 95 | 6 | 7 | 10 | 94 | 4 | CU1959K0 | USH-85A | GN4757V0 | ||
| 85 | 100 | 9 | 10 | 13 | 98 | 4 | CU0984K0 | USH-85 | CU0984K4 | USH-85F | GN4687V0 |
| 90 | 100 | 6 | 7 | 10 | 99 | 4 | CU1021K0 | USH-90A | GN5735V0 | ||
| 90 | 105 | 9 | 10 | 13 | 103 | 4 | CU1024K0 | USH-90 | CU1024K4 | USH-90F | GN4698V0 |
| 95 | 110 | 9 | 10 | 13 | 108 | 4 | CU1051K0 | USH-95 | CU1051K3 | USH-95F | GN4822V0 |
| 98 | 112 | 8.5 | 9.5 | 12.5 | 110 | 4 | CU1067K0 | USH-98 | CU1067K2 | USH-98F | GN4824V0 |
| 100 | 115 | 9 | 10 | 13 | 113 | 4 | CU1082K0 | USH-100 | CU1082K3 | USH-100F | GN4512V0 |
| 106 | 120 | 8.5 | 9.5 | 12.5 | 118 | 4 | CU1135K0 | USH-106 | CU1135K1 | USH-106F | GN4826V0 |
| 110 | 125 | 9 | 10 | 13 | 123 | 4 | CU1157K0 | USH-110 | GN4480V0 | ||
| 112 | 125 | 8.5 | 9.5 | 12.5 | 123 | 4 | CU1178K0 | USH-112 | CU1178K1 | USH-112F | GN4827V0 |
| 112 | 125 | 9 | 10 | 13 | 123 | 4 | CU1179K0 | USH-112A | GN4827V0 | ||
| 115 | 130 | 8.5 | 9.5 | 12.5 | 128 | 4 | CU3259K0 | USH-115 | GN4593V0 | ||
| 118 | 132 | 8.5 | 9.5 | 12.5 | 130 | 4 | CU1204K0 | USH-118 | GN5414V0 | ||
| 125 | 140 | 9 | 10 | 13 | 138 | 4 | CU1252K0 | USH-125 | CU1252K2 | USH-125F | GN4481V0 |
| 130 | 145 | 9 | 10 | 13 | 143 | 4 | CU1280K0 | USH-130 | GN4628V1 | ||
| 132 | 145 | 8.5 | 9.5 | 12.5 | 143 | 4 | CU1291K0 | USH-132 | GN5737V0 | ||
| 136 | 150 | 8.5 | 9.5 | 12.5 | 148 | 4 | CU1306K0 | USH-136 | CU1306K3 | USH-136F | GN4830V0 |
| 140 | 155 | 9 | 10 | 13 | 153 | 4 | CU1323K0 | USH-140 | CU1323K1 | USH-140F | GN4526V0 |
| 145 | 160 | 9 | 10 | 13 | 158 | 4 | CU1343K0 | USH-145 | CU1343K2 | USH-145F | GN4551V0 |
| 150 | 165 | 9 | 10 | 13 | 163 | 4 | CU1359K0 | USH-150 | CU1359K1 | USH-150F | GN4833V0 |
| 155 | 170 | 9 | 10 | 14 | 168 | 4 | CU3261K0 | USH-155 | GN4834V0 | ||
| 160 | 175 | 9 | 10 | 14 | 173 | 4 | CU1406K0 | USH-160 | CU1406K2 | USH-160F | GN4835V0 |
| 165 | 180 | 9 | 10 | 14 | 178 | 4 | CU1429K0 | USH-165 | CU1429K2 | USH-165F | GN4836V0 |
| 170 | 185 | 9 | 10 | 14 | 183 | 4 | CU3262K0 | USH-170 | GN5464V0 | ||
| 175 | 190 | 9 | 10 | 14 | 188 | 4 | CU3038K0 | USH-175 | GN4839V0 | ||
| 180 | 200 | 12 | 13 | 17 | 198 | 5 | CU1483K0 | USH-180 | CU1483K2 | USH-180F | GN4470V0 |
| 190 | 210 | 12 | 13 | 17 | 208 | 5 | CU2516K0 | USH-190 | CU2516K1 | USH-190F | GN4841V0 |
| 195 | 215 | 12 | 13 | 17 | 213 | 5 | CU3263K0 | USH-195 | GN5746V0 | ||
| 200 | 220 | 12 | 13 | 17 | 218 | 5 | CU1543K0 | USH-200 | CU1543K1 | USH-200F | GN4385V0 |
| 204 | 224 | 12 | 13 | 17 | 222 | 5 | CU1563K0 | USH-204 | CU1563K1 | USH-204F | GN4842V0 |
| 220 | 240 | 12 | 13 | 17 | 238 | 5 | CU1596K0 | USH-220 | GN4444V0 | ||
| 224 | 244 | 12 | 13 | 17 | 242 | 5 | CU1609K0 | USH-224 | GN5132V0 | ||
| 230 | 250 | 12 | 13 | 17 | 248 | 5 | CU1637K0 | USH-230 | CU1637K1 | USH-230F | GN4635V0 |
| 240 | 260 | 12 | 13 | 17 | 258 | 5 | CU1657K0 | USH-240 | GN4845V0 | ||
| 250 | 270 | 12 | 13 | 17 | 268 | 5 | CU1678K0 | USH-250 | GN4459V0 | ||
| 260 | 280 | 14 | 15 | 19 | 278 | 5 | CU1702K0 | USH-260 | CU1702K1 | USH-260F | GN5563V0 |
| 280 | 300 | 14 | 15 | 19 | 298 | 5 | CU1962K0 | USH-280 | GN5459V0 | ||
| 295 | 315 | 14 | 15 | 19 | 313 | 5 | CU1756K0 | USH-295 | GN5738V0 | ||
| 300 | 320 | 12 | 13 | 17 | 318 | 5 | CU3267K0 | USH-300 | GN5581V0 | ||
| 335 | 355 | 14 | 15 | 19 | 353 | 5 | CU1793K0 | USH-335 | |||
| 355 | 375 | 14 | 15 | 19 | 373 | 5 | CU3270K0 | USH-355 | |||
| 380 | 400 | 14 | 15 | 19 | 398 | 5 | CU2002K0 | USH-380 | |||
| 400 | 420 | 14 | 15 | 19 | 418 | 5 | CU3271K0 | USH-400 | |||
| 450 | 470 | 14 | 15 | 20 | 468 | 5 | CU3273K0 | USH-450 | |||
| 500 | 525 | 17 | 18 | 23 | 523 | 6.5 | CU3275K0 | USH-500 | |||