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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 SNTD 3172F

Bearing

 N/A 23172K

Locating Rings (width x OD)

 N/A FIXED HOUSING

Seal Type

 N/A Labyrinth

Seal

 N/A LO72
Adapter Sleeve1 N/A OH3172H

Locknut

 N/A HM3172

Lockwasher

 N/A MS3172
End Cover2 N/A EC72

Housing

Material 

 N/A Ductile Iron

Housing Mass

 N/A 458 Kg

Bolt Qty

 N/A 4

Bearing

Cage Type

 N/A YMB

C1 Dynamic Load Rating

 N/A 4250000

C0 Static Load Rating

 N/A 7280000

Max Oil Speed

 N/A 560

Max Grease Speed

 N/A 500

Other Dimensions

Shaft Diameter d

 N/A 340 mm

A

 N/A 400 mm

A1

 N/A 360 mm

A2

 N/A 410 mm

C

 N/A 30 mm

G

 N/A M36

H

 N/A 695 mm

H1

 N/A 350 mm

H2

 N/A 120 mm

J

 N/A 840 mm

J1

 N/A 220 mm

L

 N/A 1000 mm

N

 N/A 42 mm

N1

 N/A 50 mm

Key Dimensions

Alternate Part Name

 N/A SNTD3172F - 23172K - LO72

Superseded Part

 N/A SNT 3172F - 23172K - LO72
  • 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.