d - 17 mm

D - 30 mm

B - 7 mm

d₁ - - 21 mm

D₂ - - 27.8 mm

r_1,2 - min. - 0.3 mm

D_a - max. - 28 mm

r_a - max. - 0.3 mm

Basic dynamic load rating - C - 4 kN

Basic static load rating - C₀ - 2.6 kN

Fatigue load limit - P_u - 0.108 kN

Reference speed - 50000 r/min

Limiting speed - 24000 r/min

Calculation factor - k_r - 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：2025-04-22
• Application:Antenna Industry,other rubber,Tool,Other machinery,Storage Tool,Gripper Swing,large agricultural machinery,Blood coagulation reagent,Safety protection,Spectrum Products,Pneumatic Actuator
• Similar models:ZEN F61903-2Z NKE 61903-2Z FAG 61903 SKF 61903-2RS1 ZEN S61903-2RS ZEN S61903-2Z ISO 61903-2RS SKF 61903-2Z FAG 61903-2Z CRAFT 61903ZZ
• 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.

• Model No.	Inner Diameter	Outer Diameter	Width	Brand	Type
  1208	40	80	18	ISO	Self-Aligning Ball Bearings
  23938	190	260	52	NTN	Spherical Roller Bearings
  23976	380	520	106	ISB	Spherical Roller Bearings
  3NC HAR014C FT	70	110	20	KOYO	Angular Contact Ball Bearings
  4210	50	90	23	CYSD	Deep Groove Ball Bearings
  6021-Z	105	160	26	CYSD	Deep Groove Ball Bearings
  7203CG1UJ74	17	40	12	SNR	Angular Contact Ball Bearings
  7314-B-JP	70	150	35	FAG	Angular Contact Ball Bearings
  7326BGM	130,000	280,000	58,000	SNR	Angular Contact Ball Bearings
  BDZ45-3	45	79	26	NSK	Angular Contact Ball Bearings
  LD5700ZZ	10	32	14,3	AST	Deep Groove Ball Bearings
  NNCF4944-V	220	277,2	80	NKE	Cylindrical Roller Bearings
  NUP5212	60	110	36,5	CX	Cylindrical Roller Bearings
  UCFCE213	65			SNR	Bearing Units
  SA208F	40	80	30,2	KOYO	Deep Groove Ball Bearings
  VEB /S 70 /S/NS 7CE1	70	100	16	SNFA	Angular Contact Ball Bearings
  93318	.7500	1.1250	1.1250	Hyatt	JOURNAL ROLLER ASSEMBLIES
  NBX45725	18.0000	20.0000	1.0000	NSK	FOUR POINT ANGULAR CONTACT BALL BEARINGS
  BK1612	22		12	SKF	NEEDLE BEARINGS
  CRSBCE-44			1.5000	CONSOLIDATED	NEEDLE BEARINGS