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Deep Groove Ball Bearings: The Industry Default and When to Reach for Something Else
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2 in stock
Double-row spherical roller bearing, 85 x 150 x 36 mm, 1:12 tapered bore, C3 clearance, nitrided steel cage, W33 lubrication groove, 2° misalignment.
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| MFR / Brand | NSK |
|---|---|
| MPN | 22217EAKE4C3 |
| GTIN | 029176411373 |
| Model | 22217E A K W33/E4 C3 |
| Bearing Type | Spherical Roller Bearing, Open |
| ID | 85 mm |
| OD | 150 mm |
| Width | 36 mm |
| Material | Bearing Steel |
|---|---|
| Series | 22200 |
| Base Number | 22217 |
| Industry Terms | Spherical roller bearing; tapered bore bearing; adapter sleeve bearing; self-aligning roller bearing; double row spherical roller; W33 bearing; C3 clearance bearing |
| Common Misspellings | 22217 EAKE4C3; 22217EAK E4 C3; 22217EAKE4G3; NSK 22217 EAK; 22217 EA KE4C3 |
| Application Types | Conveyor pulleys and head shafts; fans and blowers; crushers and screens; mill shafts; gearbox output shafts; any heavily loaded position with shaft deflection or misalignment |
| Bore Shaft Size | 85 mm (tapered bore, 1:12) |
| Locking Method | Adapter sleeve with nut and lockwasher, or a machined tapered shaft seat |
| Mpn Variants | 22217EAKE4C3; 22217-EAK-E4-C3; 22217 EA K E4 C3; 22217EAKE4; 22217EAKC3; 22217EAKW33C3; 22217EAK; 22217K |
| Manufacturer Status | NSK, current range (NSKHPS spherical roller family) |
| Rolling Elements | Spherical Roller |
| Number Of Rows | Two (double row) |
| Bore Type | Tapered |
| Harmonization Code | 8482.30.0040 |
| Part Number | 22217EAKE4C3 |
| Maximum Permissible Misalignment | 2° |
| Cross Reference 1 | SKF 22217 EK/C3 |
|---|---|
| Cross Reference 2 | FAG 22217-E1-XL-K-C3 |
| Cross Reference 3 | NTN 22217EAKD1 |
| Cross Reference 4 | NSK 22217EAE4 - straight bore, no taper |
NSK 22217EAKE4C3 double-row spherical roller bearing. Series 222 (22 dimension series), 85 mm bore, 150 mm outside diameter, 36 mm width. Bore Type: Tapered, 1:12. Internal Clearance: C3. Cage Material: Wear-resistant nitrided pressed steel, roller-guided by central cage flanges. Closure Type: Open, with a W33 annular lubrication groove and holes in the outer ring. Rolling Elements: Spherical (barrel) rollers. Precision Rating: ABEC 1 / P0. Design Units: Metric. Base Number: 22217. Item Weight: 5.78 lbs. GTIN: 029176411373.
The K in this designation is a 1:12 tapered bore. The bearing mounts on a matching tapered shaft seat or on an adapter sleeve that clamps onto a plain cylindrical shaft with a nut and lockwasher. Locking Method: adapter sleeve with nut and lockwasher, or a machined tapered shaft seat. The plain shaft diameter under an adapter sleeve is smaller than the 85 mm bore.
222 is the double-row spherical roller, 22-dimension series. 17 is the bore code for 85 mm. EA is NSK’s high-capacity internal design with a nitrided pressed-steel cage guided by central flanges. K is the 1:12 tapered bore. E4 is heat stabilisation to 200°C. C3 is radial internal clearance greater than normal. W33 is an annular lubrication groove with holes in the outer ring.
C3 clearance suits a position where the inner ring runs hotter than the outer ring, or where an interference or taper-driven fit absorbs clearance in service — both conditions of a tapered-bore bearing on an adapter sleeve. Dynamic Load Rating: 310 kN. Static Load Rating: 325 kN. Limiting Speed: 3,400 rpm grease, 4,300 rpm oil. Max Temp: 200°C. Maximum Permissible Misalignment: 2°. Chamfer r minimum: 2.0 mm. Harmonization Code: 8482.30.0040.
Relubrication: Yes. The W33 groove and outer-ring holes carry lubricant from the housing feed port directly to the rollers.
Cross-references for this tapered-bore, C3, W33 bearing: SKF 22217 EK/C3, FAG 22217-E1-XL-K-C3, NTN 22217EAKD1. The straight-bore NSK 22217EAE4 shares the same envelope and the same load ratings and mounts on a plain cylindrical shaft seat.
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