SNL Series (Split Plummer Block)
Housing Material: Cast Iron (FC250) / Ductile Iron
Bearing Type: Spherical Roller / Self-aligning Ball Bearing
Material: Chrome Steel (Gcr15)
Seal Type: Labyrinth / Felt / V-ring (User-installed)
Locking: Adapter Sleeve / Tapered Bore (H23xx)
Shaft Range: 40mm – 300mm
Application: Heavy industrial fans, crushers, mill drives, large conveyor head pulleys, steel plant equipment
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The SNL Series split plummer block housings are the classic European-standard design for accommodating self-aligning ball bearings and spherical roller bearings on adapter sleeves. The split housing enables bearing inspection and replacement without removing the shaft. A cornerstone of heavy industrial fan, crusher, mill drive, and large conveyor head pulley bearing arrangements.
Technical Specifications
| Housing No. | Shaft Dia. (mm) | Bearing No. | Bolt Size | L (mm) | J (mm) | A (mm) | H (mm) | Seal Type | Weight (kg) |
|---|---|---|---|---|---|---|---|---|---|
| SNL505 | 25 | 22205K | M12 | 165 | 130 | 60 | 50 | TSN | 1.8 |
| SNL506 | 30 | 22206K | M12 | 185 | 150 | 70 | 60 | TSN | 2.5 |
| SNL507 | 35 | 22207K | M12 | 185 | 150 | 70 | 60 | TSN | 2.4 |
| SNL510 | 50 | 22210K | M16 | 255 | 210 | 95 | 80 | TSN | 5.8 |
| SNL512 | 60 | 22212K | M16 | 275 | 230 | 100 | 95 | TSN | 7.5 |
| SNL515 | 75 | 22215K | M20 | 320 | 260 | 120 | 115 | TSN | 12.0 |
| SNL516 | 80 | 22216K | M20 | 330 | 270 | 120 | 115 | TSN | 12.5 |
| SNL518 | 90 | 22218K | M24 | 360 | 290 | 140 | 135 | TSN | 18.0 |
| SNL520 | 100 | 22220K | M24 | 410 | 340 | 150 | 140 | TSN | 23.0 |
| SNL522 | 110 | 22222K | M30 | 430 | 350 | 160 | 150 | TSN | 28.0 |
