Bearing Seals

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Bearing Seals, also known as grease seals, are used to protect tapered, spherical, cylindrical and double-row bearings from excess grease loss and contamination. In 1956, Clark Seals partnered with The Timken Company to develop the industry’s first precision bearings seals for tapered roller bearings. Over the years, Clark Seals has pioneered many significant advancements in bearing seal design and manufacturing technology, including the industry’s first sheave and excluder bearing seals, unitized zero-friction bearing seals, hand-install bearing seals and vacuum molding technology, a technology that revolutionized seal manufacturing.

Some seals are integral to the bearing; others aren’t. The focus here is on what to consider when selecting external bearing seals. Key factors in making the right choice for an application typically include:Bearing type (rolling or sleeve),Lubricant (oil or grease),Seal friction and consequent heating.Shaft surface speed and finish,Physical space available.To select the appropriate seal for an application, match the relevant factors from the above list with the characteristics of the following external seal types.

NSK 7008 Bearing

2.1250 in 40500 lbf
Uncoated 4500

SKF NUP 207 JV Bearing Seals

Open Cone & Cup
Uncoated 6.1870 in

SKF L507949/L507910 AV Bearing Seals

Steel Single Row
Standard Flat

SKF 61908 JV Bearing Seals

0.9375 in Flat
None Non-Metallic Bushing

SKF 61914 JV Bearing Seals

8-3/8 in 675 kN
For Lock Washer Steel

SKF 387/382A AV Bearing Seals

52100 Bearing Steel 1651 lb
Lubrication Fitting 5.5000 in

SKF 32310 AK Bearing Seals

Bearing holder set, No
20 Days UPW, URW-408, 409 ,

SKF NUP 2309 JV Bearing Seals

SKF NUP 2309 JV
1 pcs Negotiable

SKF 6320 JV Bearing Seals

Inch 52100 Steel
6 Days 23/32

SKF 61852 AV Bearing Seals

24 mm 24 mm
62 mm Steel

SKF 61836 AV Bearing Seals

1.2500 in ER
Nylon 1-11/16 in

SKF 6208 ZJV Bearing Seals

6588 lb 8.8800 in
2.0000 in Round
1/10