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Deep Groove Ball Bearings: The Industry Default and When to Reach for Something Else
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Dodge S-2000 four-bolt pillow block, 2-3/16 in bore, 22211 spherical roller insert, expansion type, TRIDENT triple-lip seal. 27,000 lb dynamic, 1,950 rpm max.
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| MFR / Brand | Dodge |
|---|---|
| MPN | P4B-S2-203RE |
| Model | P4B-S2-203RE |
| ID | 2.1875 in |
| Material | Cast Iron |
|---|---|
| Series | S-2000 |
| Type | Pillow Block Bearing |
| Base Number | P4B-S2-203 |
| Industry Terms | mounted spherical roller bearing; four-bolt pillow block; plummer block; expansion bearing; S2000 |
| Common Misspellings | P4BS2203RE; P4B-S2-203-RE; P4B-S2203RE |
| Application Types | conveyors; air handling; material handling |
| Bore Width | 2-15/16 in |
| Centre Height Base To Bore Centerline | 2-1/2 in |
| Bolt Center To Center | 6-9/16 to 6-15/16 in |
| Number Of Bolt Holes | 4 |
| Bolt Center To Center Length | 6-9/16 to 6-15/16 in |
| Number Of Bolt Holes For Fasteners | 4 |
| Centre Height Pillow Block | 2-1/2 in |
| Bore Shaft Size | 2-3/16 in |
| Housing Style | Four-bolt pillow block |
| Locking Method | Set screw, 65° Springlok collar |
| Relubrication | Yes, 1/8-27 NPT hydraulic grease fitting |
| Mpn Variants | P4B-S2-203RE; P4BS2203RE; P4B S2 203 RE; 070381 |
| Compatible With Replaces | Non-expansion companion: Dodge P4B-S2-203R (070363); labyrinth-seal expansion version: Dodge P4B-S2-203LE (070417) |
| Additional Attributes | Dodge Part Number: 070381; Product Family: S-2000; Basic Bearing: 22211; Overall Length: 8-7/8 in; Length Through Bore: 2-15/16 in; Bolt Spacing Across Base: 1-11/16 in; Bolt Diameter: 1/2 in; Limiting Speed Labyrinth Seal Version: 2,700 rpm |
| Dynamic Load Rating | 27,000 lb |
| Bearing Type | Double-row spherical roller, 22211 |
| Limiting Speed | 1,950 rpm (TRIDENT seal) |
| Harmonization Code | 8483.20.40 |
| Housing Material | Cast iron, ASTM A48 Class 30 |
| Expansion Type | Expansion, 1/4 in total float |
Dodge P4B-S2-203RE is an S-2000 four-bolt pillow block with a double-row spherical roller insert for a 2-3/16 in shaft, built as the expansion (floating) unit. Dodge part number: 070381. Housing Style: Four-bolt pillow block. Bore / Shaft Size: 2-3/16 in. Bearing Type: Double-row spherical roller, 22211 basic bearing. Housing Material: Cast iron, ASTM A48 Class 30.
P4B — pillow block, four-bolt base, cast iron.
S2 — S-2000 spherical roller bearing insert, inch sizes.
203 — 2-3/16 in shaft size.
R — TRIDENT triple-lip rubbing seal.
E — expansion-type bearing. The insert floats axially in the housing to absorb shaft growth.
Dynamic Load Rating: 27,000 lb. Limiting Speed: 1,950 rpm with the TRIDENT seal. Expansion Type: Expansion, 1/4 in total axial float. Locking Method: Set screw, Springlok collar with screws spaced 65° apart. Seal Type: TRIDENT triple-lip contact seal. The expansion unit pairs with a non-expansion P4B-S2-203R on the same shaft, so the fixed unit locates the shaft and this unit takes the thermal growth.
Centre Height (Pillow Block): 2-1/2 in. Bolt Center To Center Length: 6-9/16 to 6-15/16 in. Bolt spacing across base: 1-11/16 in. Number Of Bolt Holes: 4. Bolt Diameter: 1/2 in. Overall Length: 8-7/8 in. Length Through Bore: 2-15/16 in. Relubrication: 1/8-27 NPT hydraulic grease fitting.
Non-expansion companion: Dodge P4B-S2-203R (070363). Labyrinth-seal expansion version: Dodge P4B-S2-203LE (070417).
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