Radial lip seal for a shaft in a housing

A seal for a shaft in a housing, comprising:

• a radial shaft-sealing ring circumferentially surrounding the shaft;
• a sealing lip that is integral with and concentrically abuts said radial shaft-sealing ring, said sealing lip formed of an elastomeric material under radial pretensioning;
• an L-shaped first reinforcing ring concentric with and radially exterior to said radial shaft-sealing ring, said first reinforcing ring including a first leg pointing radially inward toward the shaft and a second leg pointing in a direction parallel to the shaft, said second leg further comprising
• a first partial portion and a second partial portion, wherein the diameter of said first partial portion is greater than the diameter of said second partial portion and said first partial portion partially and concentrically surrounds said outer ring.
• wherein said radial shaft-sealing ring is attached to said first leg;
• an outer ring abutting a partial extent of said second leg, said outer ring concentric with and interior to said second leg;
• an inner ring, said inner ring concentric with and abutting the shaft;
• a roller bearing located between said inner ring and said outer ring;
• a jacket formed of an elastomeric material, said jacket exterior, partially overlapping, and concentric with said second leg;
• and
• a second reinforcing ring comprising a flange that points radially away from the shaft and that abuts a radial side of the housing, said second reinforcing ring partially overlapping and concentric with said jacket, such that said second reinforcing ring abuts the housing;
• and wherein
• said jacket extends beyond said second reinforcing ring in the direction parallel to the shaft.