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Timken SNT Plummer Blocks feature durable cast-iron housing and robust sealing options to keep lubrication in and contamination out. Add in Timken® high-performance spherical roller bearings for a metric split block housed unit that delivers performance in the toughest environments. Timken SNT Plummer Blocks are available in two- and four-bolt mounting configurations. The SNT line features 200, 300, 500 and 600 series housings; 3000 and 3100 series are available for larger sizes. Shaft size range: 20 mm to 380 mm, cast steel and ductile iron housings available for severe duty applications.
Unit of Measure

Types of Components

Housing

 N/A FSNT 520-617

Bearing

 N/A 23220K

Locating Rings (width x OD)

 N/A SR180X4.85

Seal Type

 N/A Double Lip

Seal

 N/A TSNG520
Adapter Sleeve1 N/A H2320

Locknut

 N/A KM20

Lockwasher

 N/A MB20
End Cover2 N/A EC520-617

Housing

Material 

 N/A Cast Iron

Housing Mass

 N/A 17.6 Kg

Bolt Qty

 N/A 4

Bearing

Cage Type

 N/A EJ

C1 Dynamic Load Rating

 N/A 554000

C0 Static Load Rating

 N/A 678000

Max Oil Speed

 N/A 2700

Max Grease Speed

 N/A 2300

Other Dimensions

Shaft Diameter d

 N/A 90 mm

A

 N/A 160 mm

A1

 N/A 110 mm

G

 N/A M16

H

 N/A 218 mm

H1

 N/A 112 mm

H2

 N/A 40 mm

J

 N/A 320 mm

J1

 N/A 60 mm

J2

 N/A 348 mm

L

 N/A 380 mm

N

 N/A 18 mm

N1

 N/A 24 mm

Key Dimensions

UPC Code

 N/A 999999999

Alternate Part Name

 N/A FSNT520-617 - 23220K - TSNG520
  • 1 Purchase the Adapter Sleeve separately
  • 2 Two seals are required for a thru shaft application. One end cover can be used if application is not a thru shaft design. In this case, only one seal is required.