| r1,2 min. | 1 mm |
| d | 25 mm |
| D | 60 mm |
| Reference speed | 2800 r/min |
| D2 | 45 mm |
| rb max. | 0.3 mm |
| H1 | 46 mm |
| Minimum load factor A | 0.026 |
| Mass bearing (including seat washer where applicable) | 0.58 kg |
| D1 ≈ | 32 mm |
| R | 50 mm |
| H | 41.3 mm |
| Basic static load rating C0 | 65.5 kN |
| Fatigue load limit Pu | 2.4 kN |
| Limiting speed | 3800 r/min |
| Basic dynamic load rating C | 35.8 kN |
| D3 | 62 mm |
| Da max. | 45 mm |
| ra max. | 1 mm |
| da | 30 mm |
Ready to Ship Four-Row Cylindrical Roller Bearings | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| No. | Brand | D | B | C | d | Cr | C0 | Fw | Ew |
| NNU4944 | KOYO | 300 mm | 80 mm | 561 kN | 220 mm | 701 | 1220 kN | 244 mm | - |
| NNU4944C3 | NTN | - | - | - | - | - | - | - | - |
| NNU4944-S-M-SP | FAG BEARING | - | - | - | - | - | - | - | - |
| NNU4944-S-K-M-SP | FAG BEARING | - | - | - | - | - | - | - | - |
| NNU4944MC3 | NSK | 11.811 Inch | 300 Millimeter | 3.15 Inch | 80 Millimeter | - | 8.661 Inch | 220 Millimeter | - | - | - | - |
| NNU4944K V | ISO | 300 mm | 80 mm | 80 mm | 220 mm | - | - | - | - |
| NNU4944K/W33 | CYSD | 300 mm | 80 mm | 80 mm | 220 mm | - | - | 245 mm | - |
| NNU4944KC1NAP4 | NTN | 300 mm | 80 mm | 80 mm | 220 mm | - | - | - | - |
| NNU4944KC1NAP5 | NTN | 300 mm | 80 mm | 80 mm | 220 mm | - | - | - | - |
| NNU4944 V | ISO | 300 mm | 80 mm | 80 mm | 220 mm | - | - | - | - |
| NNU4944/W33 | CYSD | 300 mm | 80 mm | 80 mm | 220 mm | - | - | 245 mm | - |
| 120FC82575B KOYO Four-row cylindrical roller bearings | groove/plug type:None; standards met:ASTM B438-73 Grade 1; sleeve bearing type:Plain Sleeve; overall length:2-1/4 in; bearing material:Oil-Impregnated Sint; operating temperature range:Maximum of +250; maximum v value:1200 fp/min; D:1-1/2 in; material specification:SAE 841; d:1-1 |
| 118FC8259 KOYO Four-row cylindrical roller bearings | D:42 mm; series:RNA; needle bearing type:Machined Bearing wit; dynamic load capacity:5460 lbf; operating temperature range:Maximum of +250; B:17 mm; closure type:Open; flanges:With Flanges; maximum rpm:15000 RPM; standards met:DIN 617, ISO 1206, I; precision rating:Not Rated; static load capaci |
| 120FC87540A KOYO Four-row cylindrical roller bearings | D:8mm; d:5mm; Seals or Shields:Open Type; Availability:In Stock; Weight:0.20 KGS; B:2mm; SKU:smr85-zen; Clearance:Standard; Cage Type:Steel; |
| 114FC81594A KOYO Four-row cylindrical roller bearings | misalignment tolerance:0.020 in; continuous temperature range:-22 to 400°F; lip material:Labyrinth; width:0.7500 in; maximum shaft surface speed:4500 fpm; harmonization code:3926904590.US; typical application:Exceptional Bearing; Weight:0.29 lb; shaft diameter:2.7500 in; pressure tolerance:Ambie |
| 120FC82575C KOYO Four-row cylindrical roller bearings | standards met:RoHS; B:100 mm; operating temperature range:-200 to +392 &d; material:Glitron F; maximum pv value:1.0 N/mm²; maximum v value:1.65 m/s; maximum p value:7 N/mm²; overall length:5000 mm; wear product type:Skiving Sheet; thickness:0.3 mm; additional details:Le |
| 112FC826 KOYO Four-row cylindrical roller bearings | lubrication type:Lubrication Fitting; overall length:6.5625 in; locking device:Set Screw; manufacturer catalog:Click here; bore type:Round; bolt size:1/2 in; base width:1.8750 in; series:SSUCP; manufacturer upc number:8865590298266; overall height:3.6563 in; expansion type:Non-Expansion Bearin; |
| 120FC8764 KOYO Four-row cylindrical roller bearings | race material:Brass; thread type:UNF-3A; shank thread length:1.3750 in; series:Heim®; lubrication type:Lubricatable; head width:0.4370 in; manufacturer product page:Click here; ball width:0.5620 in; grade:Precision; shank thread size:7/16-20; head diameter:1.1250 in; Weight:0.17 lbs; d:0.43 |
| 114FC81594 KOYO Four-row cylindrical roller bearings | finish/coating:Uncoated; d:1.0000 in; B:4.7500 in; operating temperature range:Max 220°; housing width:1.0938 in; inner ring width:1.3750 in; housing material:Cast Iron; mounting type:Three-Bolt Flange; manufacturer catalog number:700241; bearing material:52100 Steel/Bla; series:FB; seal ty |
| 112FC806 KOYO Four-row cylindrical roller bearings | harmonization code:8483.30.8055; shank thread length:0.7500 in; series:SW; thread type:UNF-3B; housing material:17-4 PH Stainless St; shank thread size:5/16-24; ball width:0.4370 in; radial static load capacity:5929 lbf; grade:Precision; head diameter:0.8750 in; race material:Stainless Steel; b |
| 114FC80514A KOYO Four-row cylindrical roller bearings | D:4.3307 in; cup width:0.7411 in; manufacturer product page:Click here; single or double cup:Single Cup; material:Case Carburized Stee; finish/coating:Uncoated; manufacturer upc number:4547359532784; fillet radius:0.05 in; lubrication hole type:No Hole; |
| 4CR6 KOYO Four-row cylindrical roller bearings | housing material:Ductile Iron; seal type:Triple Lip; d:1-1/4 in; bearing type:Tapered Roller; locking device:Set Screw; duty type:Standard Duty; lubrication type:Lubrication Fitting; radial static load capacity:15760 lb; B:5.2500 in; manufacturer catalog number:023234; overall height:5-1/4 |
| 120FC856 KOYO Four-row cylindrical roller bearings | compatible bore diameter:220 mm; ring inside diameter:220 mm; sealing type:Externally Sealing; material:Galvanized Steel; ring type:AV; compatible bearing type:Deep Groove Ball; manufacturer product page:Click here; ring thickness:0.5 mm; ring outside diameter:314 mm; compatible bearing outside diam |
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