Stop Fake Bearings
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Bearing Online Catalogue

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  • Plummer Block housings easily constitute bearing units by combining them with self-aligning ball bearings or spherical roller bearings.
  • Accuracy, strength, and rigidity are improved by NACHI original design.
 
  • Wide range of sizes and configurations
  • Lightweight and high strength by the optimal design
  • By use of tapered bore bearing and adapter, the bearings can be mounted at any selected shaft position.
  • For stepped shaft, the bearings with cylindrical bore are fixed by shaft nut.
typeBearing Bore Diameter Number
Self-aligning Ball BearingsSpherical Roller Bearings
12221323230231222232213223
SN5
SN5F
05K - 22K 05K - 22K - - - - 05K - 32K 18K - 32K - -
SN6
SN6F
- - 05K - 22K 05K - 22K - - - - 05K - 22K 08K - 32K
SN30 - - - - 24K - 38K - - - - -
SN31 - - - - - 22K - 38K - - - -
SN2
SN2F
05 - 22 05 - 22 - - - - 05 - 32 18 - 32 - -
SN3
SN3F
- - 05 - 17 05 - 17 - - - - 05 - 17 05 - 17
SD5 - - - - - - 34K - 64K - - -
SD6 - - - - - - - - - 34K - 56K
SD30 - - - - 34K - 64K - - - - -
SD31 - - - - - 34K - 64K - - - -
V 08(K) - 22(K) 08(K) - 22(K) 07(K) - 22(K) 07(K) - 22(K) 22(K) - 44(K) 22(K) - 40(K) 08(K) - 38(K) 22(K) - 38(K) 07(K) - 22(K) 08(K) - 32(K)

Dimension Table Download


Plummer Block Housings

One piece type Plummer Block Housings


(Remark)

  1. When symbol are omitted, shift to left side.
  2. Threads and number of grease inlet/outlet are shown in tables.
  3. Grease nipple A type is attached at grease inlet.

One-piece housings


(Remark)

  1. When symbol are omitted, shift to left side.
  2. Supplementary symbols accord with split housing
  3. Threads and number of oil inlet/outlet are shown in tables.
  4. Grease nipple of button-head type is attached at grease inlet.

Locating Rings


Locating ring for fixed side housing is identified as follows.
locating ring should be prepared besides plummer block housings.
The dimension table show the designation and number of ring required for each bearing.

Combination of Plummer Block Housing, Bearing, Adapter and Locating Ring


The designations of combination are obtained by adding each with '+' as following order.

(Remark)

  1. Designations for parts not required are omitted.