INA SD40X50X4A/B Double Lip Polyurethane Oil Seal 40x50x4mm Simply Bearings Ltd

Quantity	Prices
4+	£7.33 each
9+	£6.92 each
19+	£6.84 each
29+	£6.76 each
39+	£6.67 each
49+	£6.59 each
59+	£6.18 each

Polyurethane Double Lip Sealing Rings: Designed as contact seals, these sealing rings protect the bearing position against contamination, spray water and the excessive loss of grease. Sealing rings are matched to the small radial dimensions of needle roller bearings. They are very easy to fit, as they are simply pressed into the housing bore. Sealing rings allow circumferential speeds at the seal lip of up to 10 m/s depending on the surface quality of the shaft. This sealing ring features a contact lip and a non-contact dust shield lip facing the shaft. The seal carrier is made from reinforced polyamide (coloured black), while the seal lip area is made from thermoplastic PU elastomer (coloured green). Suitable for operating temperatures from -30 to +100 deg C. Note: Sealing rings SD have an oversized outside diameter. This gives firm seating once the rings are pressed into the housing bore. The rings will adopt their correct geometrical form once fitted in the bore.
Benefits: Easy to fit, protects against contamination, spray water and excessive loss of grease, highly wear-resistant and resistant to environmental influences and many mineral oils.

Casey Nicolas, United Kingdom
Review added on 03/01/2019

Very easy to use website, found what i was looking in for in no time
Ean Vincent, United Kingdom
Review added on 05/05/2015

Very pleased with the value for money - I bought 5 of these and got a discount. Will shop here again.

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Shaft Size not Inside Diameter (d)	=	40mm
Outside Diameter (D)	=	50mm
Width (b)	=	4mm

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