Our 25x42x17 Size (mm) highly-skilled and factory-trained service experts have the resources to help you with all your 25 mm x 42 mm x 17 mm B Fersa 687/672 Tapered Roller Bearings needs – NA4905 Bearing number including routine maintenance, major repairs, warranty service, and Tapered Roller Bearings equipment inspections.
| Bearing number |
NA4905 |
| Size (mm) |
25x42x17 |
| Brand |
Timken |
| Bore Diameter (mm) |
25 |
| Outer Diameter (mm) |
42 |
| Width (mm) |
17 |
| d |
25 mm |
| Fw |
30 mm |
| D |
42 mm |
| B |
17 mm |
| C |
17 mm |
| r |
0,3 mm |
| S |
1,5 mm |
| Weight |
0,099 Kg |
| Basic dynamic load rating (C) |
24,3 kN |
| Basic static load rating (C0) |
31,7 kN |
| (Grease) Lubrication Speed |
15000 r/min |
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Bearing number:71908 ACE/P4A; Size (mm):40x62x12; Brand:SKF; Bore Diameter (mm):40; Outer Diameter (mm):62; Width (mm):12; d:40 mm; D:62 mm; B:12 mm; C:12 mm; d1:46.5 mm; d2:44.8 mm; r1 min.:0,6 mm; r2 min.:0,6 mm; r3 min.:0,3 mm; r4 min.:0,3 mm; D1:54.15 mm; D2:56,5 mm; da min.:43.2 mm; Da max.:58.8 mm; db min:42 mm; ra max.:0.6 mm; rb max.:0.3 mm; dh:48 mm; Db max:60 mm; Weight:0,1 Kg; Basic dynamic load rating (C):9,23 kN; Basic static load rating (C0):5,85 kN; (Grease) Lubrication Speed:28 000 r/min; (Oil) Lubrication Speed:44 000 r/min; Fatigue load limit (Pu):0,245; Category:Precision Ball Bearings; Inventory:0.0; Manufacturer Name:SKF; Minimum Buy Quantity:N/A; Weight / Kilogram:0.126; Product Group:B04270; Enclosure:Open; Precision Class:ABEC 7 | ISO P4; Material – Ball:Steel; Number of Bearings:1 (Single); Contact Angle:25 Degree; Preload:None; Raceway Style:1 Rib Inner Ring and Outer Rin; Cage Material:Phenolic; Rolling Element:Ball Bearing; Flush Ground:No; Inch – Metric:Metric; Other Features:Single Row | Angular Contact |; Long Description:40MM Bore; 62MM Outside Diamet; UNSPSC:31171531; Harmonized Tariff Code:8482.10.50.28; Noun:Bearing; Keyword String:Angular Contact Ball; Manufacturer Item Number:71908 ACE/P4A; Weight / LBS:0.278; Outside Diameter:2.441 Inch | 62 Millimeter; Bore:1.575 Inch | 40 Millimeter; Width:0.472 Inch | 12 Millimeter; r1,2 min.:0.6 mm; r3,4 min.:0.3 mm; a:18.6 mm; db min.:42 mm; Db max.:60 mm; dn:48 mm; Basic dynamic load rating C:9.23 kN; Basic static load rating C0:5.85 kN; Fatigue load limit Pu:0.245 kN; Attainable speed for grease lubrication:28000 r/min; Attainable speed for oil-air lubrication:44000 r/min; Ball diameter Dw:6.35 mm; Number of balls z:19; Reference grease quantity Gref:1.4 cm³; Preload class A GA:84 N; Static axial stiffness, preload class A:78 N/µm; Preload class B GB:250 N; Static axial stiffness, preload class B:117 N/µm; Preload class C GC:505 N; Static axial stiffness, preload class C:153 N/µm; Calculation factor f:1.05; Calculation factor f1:0.99; Calculation factor f2A:1; Calculation factor f2B:1.04; Calculation factor f2C:1.07; Calculation factor fHC:1; Calculation factor e:0.68; Calculation factor (single, tandem) Y2:0.87; Calculation factor (single, tandem) Y0:0.38; Calculation factor (single, tandem) X2:0.41; Calculation factor (back-to-back, face-to-face) Y1:0.92; Calculation factor (back-to-back, face-to-face) Y2:1.41; Calculation factor (back-to-back, face-to-face) Y0:0.76; Calculation factor (back-to-back, face-to-face) X2:0.67; Mass bearing:0.1 kg;
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Bearing number:608-2RS; Size (mm):8x22x7; Brand:Fersa; Bore Diameter (mm):8; Outer Diameter (mm):22; Width (mm):7; d:8 mm; D:22 mm; B:7 mm;
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Bearing number:H917840/10; Size (mm):76.2×180.975×53.975; Brand:ISO; Bore Diameter (mm):76,2; Outer Diameter (mm):180,975; Width (mm):53,975; d:76,2 mm; D:180,975 mm; T:53,975 mm; B:53,183 mm; C:35,72 mm; a:0,5 mm;
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Bearing number:GK30X34X33.8XZW; Brand:NTN; Bore Diameter (mm):30,000; Outer Diameter (mm):34,000; Fw:30,000 mm; Ew:34,000 mm; Bc:33,800 mm;
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Bearing number:6860; Size (mm):300x380x38; Brand:NTN; Bore Diameter (mm):300; Outer Diameter (mm):380; Width (mm):38; d:300 mm; D:380 mm; B:38 mm; C:38 mm; r min.:2,1 mm; Da max.:369 mm; db min:311 mm; ra max.:2 mm; Weight:10,5 Kg; Basic dynamic load rating (C):162 kN; Basic static load rating (C0):210 kN; (Grease) Lubrication Speed:1 500 r/min; (Oil) Lubrication Speed:1 700 r/min; rs min:2.1 mm; Radial clearance class:CN; Mass:10.5 kg; Dynamic load, C:162 kN; Static load, C0:210 kN; Fatigue limit load, Cu:5.2 kN; f0:16.1; Nlim (oil):1,700 rpm; Nlim (grease):1,500 rpm; Min operating temperature, Tmin:-40 °C; Max operating temperature, Tmax:120 °C; Characteristic cage frequency, FTF:0.46 Hz; Characteristic rolling element frequency, BSF:14.21 Hz; Characteristic outer ring frequency, BPF0:10.7 Hz; Characteristic inner ring frequency, BPFI:12.3 Hz; da min:311 mm; Da max:369 mm; ra max:2 mm; Category:Single Row Ball Bearing; Inventory:0.0; Manufacturer Name:NTN; Minimum Buy Quantity:N/A; Weight / Kilogram:10.14; Product Group:B00308; Enclosure:Open; Precision Class:ABEC 1 | ISO P0; Maximum Capacity / Filling Slot:No; Rolling Element:Ball Bearing; Snap Ring:No; Internal Special Features:No; Cage Material:Steel; Internal Clearance:C0-Medium; Inch – Metric:Metric; Long Description:300MM Bore; 380MM Outside Diam; Other Features:Deep Groove; UNSPSC:31171504; Harmonized Tariff Code:8482.10.50.68; Noun:Bearing; Keyword String:Ball; Weight / LBS:22.355; Outside Diameter:14.961 Inch | 380 Millimeter; Inner Race Width:0 Inch | 0 Millimeter; Outer Race Width:1.496 Inch | 38 Millimeter; Bore:11.811 Inch | 300 Millimeter;
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Bearing number:N2968; Size (mm):340x460x72; Brand:ISO; Bore Diameter (mm):340; Outer Diameter (mm):460; Width (mm):72; d:340 mm; D:460 mm; B:72 mm; C:72 mm;
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Bearing number:RNAO 16x24x13; Size (mm):24x16x13; Brand:SKF; Bore Diameter (mm):24; Outer Diameter (mm):16; Width (mm):13; Fw:16 mm; D:24 mm; C:13 mm; E:20 mm; r1,2 – min.:0.3 mm; da:19.6 mm; Da:20.3 mm; Db:16.4 mm; ra – max.:0.3 mm; Basic dynamic load rating – C:8.6 kN; Basic static load rating – C0:12 kN; Fatigue load limit – Pu:1.4 kN; Reference speed:24000 r/min; Limiting speed:26000 r/min; r1,2 min.:0.3 mm; ra max.:0.3 mm; Basic dynamic load rating C:8.58 kN; Basic static load rating C0:12 kN; Fatigue load limit Pu:1.37 kN; Mass bearing:0.021 kg;
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Bearing number:K81102TN; Brand:NBS; Bore Diameter (mm):15; Outer Diameter (mm):28; d:15 mm; D:28 mm; Dw:3,5 mm; Weight:0,006 Kg; Basic dynamic load rating (C):13,5 kN; Basic static load rating (C0):28 kN;
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Bearing number:6417-M; Size (mm):85x210x52; Brand:FAG; Bore Diameter (mm):85; Outer Diameter (mm):210; Width (mm):52; d:85 mm; D:210 mm; B:52 mm; D1:173 mm; Da max:190 mm; d1:123,4 mm; da min:105 mm; ra max:3 mm; rmin:4 mm; m:9,6 kg / Weight; Cr:184000 N / Dynamic load rating; C0r:136000 N / Static load rating; nG:5600 1/min / Limiting speed; nB:5300 1/min / Reference speed; Cur:7500 N / Fatigue limit load, r;
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Bearing number:71944 CD/HCP4AL; Size (mm):300x220x38; Brand:SKF; Bore Diameter (mm):300; Outer Diameter (mm):220; Width (mm):38; d:220 mm; D:300 mm; B:38 mm; d1:244.7 mm; d2:244.7 mm; D1:275.3 mm; b:3.5 mm; C1:20.9 mm; C2:7.1 mm; C3:5.45 mm; r1,2 – min.:2.1 mm; r3,4 – min.:1 mm; a:54 mm; da – min.:231 mm; db – min.:231 mm; Da – max.:289 mm; Db – max.:295 mm; ra – max.:2 mm; rb – max.:1 mm; dn:251.4 mm; Basic dynamic load rating – C:221 kN; Basic static load rating – C0:300 kN; Fatigue load limit – Pu:7.8 kN; Limiting speed for grease lubrication:5300 r/min; Limiting speed for oil lubrication:7500 mm/min; Ball – Dw:25.4 mm; Ball – z:29; Gref:84 cm3; Calculation factor – f0:16.5; Preload class A – GA:850 N; Preload class B – GB:1700 N; Preload class C – GC:3400 N; Preload class D – GD:6800 N; Calculation factor – f:1; Calculation factor – f2A:1; Calculation factor – f2B:1.07; Calculation factor – f2C:1.12; Calculation factor – f2D:1.18; Calculation factor – fHC:1.04; Preload class A:248 N/micron; Preload class B:340 N/micron; Preload class C:481 N/micron; Preload class D:705 N/micron; r1,2 min.:2.1 mm; r3,4 min.:1 mm; da min.:231 mm; db min.:231 mm; Da max.:289 mm; Db max.:295 mm; ra max.:2 mm; rb max.:1 mm; Basic dynamic load rating C:221 kN; Basic static load rating C0:300 kN; Fatigue load limit Pu:7.8 kN; Attainable speed for grease lubrication:5300 r/min; Attainable speed for oil-air lubrication:7500 r/min; Ball diameter Dw:25.4 mm; Number of balls z:29; Reference grease quantity Gref:84 cm³; Preload class A GA:850 N; Static axial stiffness, preload class A:248 N/µm; Preload class B GB:1700 N; Static axial stiffness, preload class B:340 N/µm; Preload class C GC:3400 N; Static axial stiffness, preload class C:481 N/µm; Preload class D GD:6800 N; Static axial stiffness, preload class D:705 N/µm; Calculation factor f:1.28; Calculation factor f1:1; Calculation factor f2A:1; Calculation factor f2B:1.07; Calculation factor f2C:1.12; Calculation factor f2D:1.18; Calculation factor fHC:1.04; Calculation factor f0:16.5; Mass bearing:5.56 kg;
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Bearing number:LME50UU; Size (mm):50x75x77.6; Brand:Samick; Bore Diameter (mm):50; Outer Diameter (mm):75; Width (mm):77,6; d:50 mm; D:75 mm; B:77,6 mm; D1:72 mm; L:100 mm; W:2,65 mm; Weight:1,13 Kg; Basic dynamic load rating (C):3820 kN;
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Bearing number:EE526130/526191CD+X1S-526132; Size (mm):330.2×482.6×177.8; Brand:Timken; Bore Diameter (mm):330,2; Outer Diameter (mm):482,6; Width (mm):177,8; d:330,2 mm; D:482,6 mm; T:177,8 mm; C:127 mm; R:6,4 mm; r:1,5 mm;
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Bearing number:K22x32x24; Size (mm):22x32x24; Brand:CX; Bore Diameter (mm):22; Outer Diameter (mm):32; Width (mm):24; Fw:22 mm; Ew:32 mm; B:24 mm; Weight:0,043 Kg; Basic dynamic load rating (C):34 kN; Basic static load rating (C0):40 kN; (Grease) Lubrication Speed:18000 r/min;
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Bearing number:608-2RS; Size (mm):8x22x7; Brand:Fersa; Bore Diameter (mm):8; Outer Diameter (mm):22; Width (mm):7; d:8 mm; D:22 mm; B:7 mm;
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Bearing number:32948XUE1; Size (mm):240x320x51; Brand:NTN; Bore Diameter (mm):240; Outer Diameter (mm):320; Width (mm):51; d:240 mm; D:320 mm; T:51 mm; B:51 mm; C:39 mm; ra1 max.:2 mm; a:65,5 mm; r min.:3 mm; r1 min.:2,5 mm; da min.:254 mm; Da min:290 mm; Da max.:308 mm; db max.:254 mm; Db min.:311 mm; ra max.:2,5 mm; Sa:10 mm; Sb:12 mm; Weight:10,9 Kg; Basic dynamic load rating (C):490 kN; Basic static load rating (C0):1 000 kN; (Grease) Lubrication Speed:940 r/min; (Oil) Lubrication Speed:1 200 r/min; Calculation factor (e):0,46; Calculation factor (Y0):0,72;
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