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 - min. - 13 mm

D_a - max. - 26 mm

r_a - max. - 0.6 mm

Basic dynamic load rating - C - 4.9 kN

Basic static load rating - C₀ - 2.3 kN

Fatigue load limit - P_u - 0.1 kN

Reference speed - 60000 r/min

Limiting speed - 36000 r/min

Calculation factor - k_r - 0.035

Calculation factor - f₀ - 12.9

Mass bearing - 0.0335 kg

• Model Number:W 639
• Inner Diameter：30mm Outer Diameter：9mm Width：10mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-27
• Application:industrial fans,intermediate,other processing,Other machinery,agrochemical,decoration machinery,storage shelves,forklift truck,injection molding machine,universal category,Pest Monitoring
• Similar models:SKF W639/3-2Z ISB SS639/3-ZZ FBJ 639 NSK 639VV SKF W639/2R-2Z CYSD 1639 FBJ 639ZZ ISO 639ZZ SKF W639/1.5R-2Z SKF W639/2.5R-2ZS
• BEARING POWER International Trading Co.,Ltd. specialize in W639 products，there is large inventory of SKF W 639 . We has been built up long-term cooperation with SKF company, could make a bulk order of the W 639 Which SKF W639 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
  23226-E1-K-TVPB	130	230	80	FAG	Spherical Roller Bearings
  24134CAW33	170	280	109	AST	Spherical Roller Bearings
  52315	60	135	79	NKE	Thrust Ball Bearings
  6211NR	55	100	21	NACHI	Deep Groove Ball Bearings
  65BNR29XV1V	65	90	16	NSK	Angular Contact Ball Bearings
  67989/67920	209,55	282,575	46,038	ISO	Tapered Roller Bearings
  BEAS 030062-2RS	30	62	28	SKF	Thrust Ball Bearings
  E-CRO-7901	395	545	268,7	NTN	Tapered Roller Bearings
  FNTK-1732	17	32	2,85	KOYO	Needle Roller Bearings
  GEG35ES	35	62	35	FBJ	Plain Bearings
  HCS7008-C-T-P4S	40	68	15	FAG	Angular Contact Ball Bearings
  HH949549/10	228,6	488,95	123,825	ISO	Tapered Roller Bearings
  K42X47X27	42	47	27	FBJ	Needle Roller Bearings
  K70X78X30H	70	78		KOYO	Needle Roller Bearings
  RS-4930E4	150	210	60	NSK	Cylindrical Roller Bearings
  SL185007	35	62	36	INA	CYLINDRICAL ROLLER BEARINGS
  23328AS.MA.C4.F80	140	300	118	FAG (Old No.)	SPHERICAL ROLLER BEARINGS
  30326J2	130	280	58	SKF	TAPERED ROLLER BEARINGS
  1015	2.4687	1.3750		NICE	THRUST BALL BEARINGS
  AS90120	90	120		CONSOLIDATED	THRUST NEEDLE BEARINGS