d - 9 mm

D - 30 mm

B - 10 mm

d₂ - - 15.3 mm

D₂ - - 25.28 mm

r_1,2 - min. - 0.6 mm

D_a - max. - 26 mm

r_a - max. - 0.6 mm

Basic dynamic load rating - C - 4.4 kN

Basic static load rating - C₀ - 2.3 kN

Fatigue load limit - P_u - 0.1 kN

Reference speed - 56000 r/min

Limiting speed - 28000 r/min

Calculation factor - k_r - 0.035

Calculation factor - f₀ - 12.9

Mass bearing - 0.0348 kg

• Model Number: W 639-2RZ
• Inner Diameter：30mm Outer Diameter：9mm Width：10mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-11
• Application:water protection,reducer,Spectrum Products,climb ladder,flow control valve,Industrial Electromechanical,chamfering machine etc,Display Devices,dynamic blood pressure,Hair styling device,other mold
• Similar models:FBJ 639ZZ ISO 639 SKF W639/3-2RS1 SKF W639-2RZ KOYO 639 AST 639H ISO 639-2RS ISO 639ZZ SKF W639-2RS1 ISB SS639/2-ZZ
• BEARING POWER International Trading Co.,Ltd. specialize in W639-2RZ products，there is large inventory of SKF W 639-2RZ . We has been built up long-term cooperation with SKF company, could make a bulk order of the W 639-2RZ Which SKF W639-2RZ 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
  20311-K-TVP-C3	55	120	29	FAG	Spherical Roller Bearings
  33262/33472	66,675	120	29,794	Timken	Tapered Roller Bearings
  6905N	25	42	9	NTN	Deep Groove Ball Bearings
  BAHB633967	35	68	37	SKF	Angular Contact Ball Bearings
  CRI-11206	560	735	225	NTN	Tapered Roller Bearings
  E 245 /S/NS 7CE1	45	85	19	SNFA	Angular Contact Ball Bearings
  EC-6207LLB	35	72	17	NTN	Deep Groove Ball Bearings
  KZK35X42X20	35	42	20	CX	Needle Roller Bearings
  NJ420	100	250	58	ISO	Cylindrical Roller Bearings
  NP182140/NP645406	34,987	64,976	18,1	Timken	Tapered Roller Bearings
  PSL 512-25	380	452	100	PSL	Cylindrical Roller Bearings
  SBR 16-UU	16			NBS	Linear Bearings
  UCTX15-48	74,6125			FYH	Bearing Units
  UK210+H2310	50	90	31	NACHI	Deep Groove Ball Bearings
  W211PPB2	55,575	100	33,325	CYSD	Deep Groove Ball Bearings
  SL182219	95	170	43	INA	CYLINDRICAL ROLLER BEARINGS
  SN222with2222	110	-	120	SKF	PILLOW BLOCKS
  R1632.2Z	.2500	.5000	.1875	FAG	DEEP GROOVE BALL BEARINGS
  61916-2RZ	80	110	16	SKF	DEEP GROOVE BALL BEARINGS
  61888M	440	540	46	CONSOLIDATED	DEEP GROOVE BALL BEARINGS