MB Wear Rings
These back-up rings, made from urethane or nylon, are commonly used as spacers for u-seals.
| SEAL INFORMATION | |
| MATERIAL | URETHANE, 70 SHORE D |
| TEMPERATURE RANGE | -40° TO +250° F |
| SPEED | 3 FT/SEC |
| Part Number | A Nom. ID | B Nom. OD | C Nom. Ht |
| MB12-0.75-12-S MB25-1.25-25 MB25-1.37-25 MB25-1.50-25 MB25-1.75-25 MB31-1.75-31 MB37-1.75-50 MB37-1.75-50N MB37-1.75-56 MB31-1.87-31 MB18-2.00-18 MB25-2.00-25 MB31-2.00-31 MB37-2.00-25P MB37-2.00-37 MB31-2.12-31 MB31-2.12-37 MB25-2.25-25 MB31-2.25-31 MB31-2.37-31 MB25-2.50-25 MB31-2.50-31 MB37-2.50-25P MB37-2.62-50 MB37-2.62-50N MB37-2.62-57 MB37-2.75-25 MB25-3.00-25 MB37-3.00-37 MB50-3.00-50 MB37-3.12-37 MB25-3.25-25 MB25-3.50-25 MB37-3.50-25 MB37-3.50-37 MB37-3.50-44P MB37-3.62-50N MB37-3.62-56 MB43-3.87-25 MB25-4.00-25 MB25-4.00-43 MB37-4.00-37 MB37-4.25-37 MB25-4.50-25 MB31-4.50-31 MB37-4.50-28N MB37-4.50-50 MB37-4.50-50N MB43-4.50-62 MB37-4.75-37 MB37-4.75-37N MB43-4.75-31 MB25-5.00-25 MB37-5.00-37 MB37-5.25-12 MB37-5.50-37 MB37-5.50-43NS MB25-6.00-25 MB37-6.00-43NS MB37-6.00-56 MB25-6.50-25 MB37-7.00-37 | 3/4 1-1/4 1-3/8 1-1/2 1-3/4 1-3/4 1-3/4 1-3/4 1-3/4 1-7/8 2 2 2 2 2 2-1/8 2-1/8 2-1/4 2-1/4 2-3/8 2-1/2 2-1/2 2-1/2 2-5/8 2-5/8 2-5/8 2-3/4 3 3 3 3-1/8 3-1/4 3-1/2 3-1/2 3-1/2 3-1/2 3-5/8 3-5/8 3-7/8 4 4 4 4-1/4 4-1/2 4-1/2 4-1/2 4-1/2 4-1/2 4-1/2 4-3/4 4-3/4 4-3/4 5 5 5-1/4 5-1/2 5-1/2 6 6 6 6-1/2 7 | 1 1-3/4 1-7/8 2 2-1/4 2-3/8 2-1/2 2-1/2 2-1/2 2-1/2 2-3/8 2-1/2 2-5/8 2-3/4 2-3/4 2-3/4 2-3/4 2-3/4 2-7/8 3 3 3-1/8 3-1/4 3-3/8 3-3/8 3-3/8 3-1/2 3-1/2 3-3/4 4 3-7/8 3-3/4 4 4-1/4 4-1/4 4-1/4 4-3/8 4-3/8 4-3/4 4-1/2 4-1/2 4-3/4 5 5 5-1/8 5-1/4 5-1/4 5-1/4 5-3/8 5-1/2 5-1/2 5-5/8 5-1/2 5-3/4 6 6-1/4 6-1/4 6-1/2 6-3/4 6-3/4 7 7-3/4 | 1/8 1/4 1/4 1/4 1/4 5/16 1/2 1/2 9/16 5/16 3/16 1/4 5/16 1/4 3/8 5/16 3/8 1/4 5/16 5/16 1/4 5/16 1/4 1/2 1/2 .575 1/4 1/4 3/8 1/2 3/8 1/4 1/4 1/4 3/8 7/16 1/2 9/16 1/4 1/4 7/16 3/8 3/8 1/4 5/16 .285 1/2 1/2 5/8 3/8 3/8 5/16 1/4 3/8 1/8 3/8 7/16 1/4 7/16 9/16 1/4 3/8 |