d - 17 mm
D - 30 mm
B - 7 mm
d1 - - 21 mm
D2 - - 27.8 mm
r1,2 - min. - 0.3 mm
Da - max. - 28 mm
ra - max. - 0.3 mm
Basic dynamic load rating - C - 4 kN
Basic static load rating - C0 - 2.6 kN
Fatigue load limit - Pu - 0.108 kN
Reference speed - 50000 r/min
Limiting speed - 24000 r/min
Calculation factor - kr - 0.025
Calculation factor - f0 - 14.8
Mass bearing - 0.0173 kg
- Model Number:W 61903-2RZ
- Inner Diameter：30mm Outer Diameter：17mm Width：7mm
- Type：Deep Groove Ball Bearings
- Update date：2025-12-15
- Application:Machine Tool Accessories,Control,Doppler,hot and cold box,Individual Wire,plastic molding,static control,small appliances,metal mold,other processing,extruder
- Similar models:SKF W61903-2RS1 SKF 61903-2Z SKF 61903-2RZ SKF W61903R-2Z FAG 61903 ISB 61903 ISO 61903-2RS ISB 61903-RZ SKF W61903 ISO 61903
- BEARING POWER International Trading Co.,Ltd. specialize in W61903-2RZ products，there is large inventory of SKF W 61903-2RZ . We has been built up long-term cooperation with SKF company, could make a bulk order of the W 61903-2RZ Which SKF W61903-2RZ is the most authentic, must choose BEARING POWER, what a whole variety, reasonable price, guaranteed quality, prompt delivery via Global express.Any inquiry, never hesitate to E-mail or call +86-022-58519721 to contact us.
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Model No. Inner Diameter Outer Diameter Width Brand Type 203PP 17 40 12 Timken Deep Groove Ball Bearings 239/600K 600 800 150 NTN Spherical Roller Bearings 25880/25820 36,487 73,025 23,812 Fersa Tapered Roller Bearings 2R2677V 130,000 180,000 50,000 NTN Cylindrical Roller Bearings 6210 50 90 20 CX Deep Groove Ball Bearings 7307 BEGAPH 80 35 21 SKF Angular Contact Ball Bearings AC-6308 40 90 23 NTN Deep Groove Ball Bearings F-699ZZ 9,000 20,000 6,000 NTN Deep Groove Ball Bearings HS7028-E-T-P4S 140 210 33 FAG Angular Contact Ball Bearings L-1910 10 19 5 NMB Deep Groove Ball Bearings NA69/22 22 39 30 Timken Needle Roller Bearings NUP3315 75 160 68,3 ISO Cylindrical Roller Bearings RV253432 25 34 KOYO Needle Roller Bearings SI5E 5 6 AST Plain Bearings UCP320 100 108 FYH Bearing Units 234717M.SP 88 130 234717 M.SP FAG ANGULAR CONTACT THRUST BALL BEARINGS 2901 28 12 INA THRUST BALL BEARINGS PP70 RIV THRUST BALL BEARINGS 2304 20 52 21 SKF SELF R1-3 .0550 .1875 .0781 NMB DEEP GROOVE BALL BEARINGS
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