d - 12 mm

D - 21 mm

B - 7 mm

d₂ - - 13.8 mm

D₂ - - 19.15 mm

r_1,2 - min. - 0.3 mm

d_a - min. - 13.5 mm

d_a - max. - 13.5 mm

D_a - max. - 19.5 mm

r_a - max. - 0.3 mm

Basic dynamic load rating - C - 1.5 kN

Basic static load rating - C₀ - 0.9 kN

Fatigue load limit - P_u - 0.039 kN

Reference speed - 70000 r/min

Limiting speed - 43000 r/min

Calculation factor - k_r - 0.02

Calculation factor - f₀ - 13.4

Mass bearing - 0.0076 kg

• Model Number:W 63801
• Inner Diameter：21mm Outer Diameter：12mm Width：7mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-30
• Application:Low-voltage electrical equipment,lifting tackle,electronic components,walking Food processing machinery and equipment,water,mechanical and electrical,experimental equipment,stamping die and its equipment,spreader series,Power equipment,safety testing
• Similar models:SKF W63801R ISB F63801 ISB 63801 ZEN 63801-2Z CX 63801-2RS SKF W63801 SKF W63801-2RS1 ISO 63801 ISB 63801-ZZ ZEN 63801-2RS
• BEARING POWER International Trading Co.,Ltd. specialize in W63801 products，there is large inventory of SKF W 63801 . We has been built up long-term cooperation with SKF company, could make a bulk order of the W 63801 Which SKF W63801 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
  239/630RK	630	850	165	KOYO	Spherical Roller Bearings
  22308	40	90	33	ISB	Spherical Roller Bearings
  23044YM	220	340	90	Timken	Spherical Roller Bearings
  344A/332	40	80	21	NSK	Tapered Roller Bearings
  68/530	530	650	56	NTN	Deep Groove Ball Bearings
  71824 A	120	150	16	ISO	Angular Contact Ball Bearings
  7316 BDT	80	170	78	ISO	Angular Contact Ball Bearings
  BK 2520	25	32	20	NBS	Needle Roller Bearings
  EB1.20.0844.200-1STPN	772	950,4	56	ISB	Thrust Ball Bearings
  K65X73X30	65	73	30	FBJ	Needle Roller Bearings
  RRTY40	40			NKE	Bearing Units
  LMKP30UU	30	45		Samick	Linear Bearings
  M270749D/M270710/M270710DG2	447,675	635	463,55	NTN	Tapered Roller Bearings
  N2321	105	225	77	CX	Cylindrical Roller Bearings
  NNU6020	100	150	90	CX	Cylindrical Roller Bearings
  NU29/1060	1060	1400	195	TMB	Cylindrical Roller Bearings
  R156-2TS	4,763	7,938	3,175	ZEN	Deep Groove Ball Bearings
  UCF 212-36E	57,15			AST	Bearing Units
  7238B.MP.U(A/O)	190	340	55	FAG	ANGULAR CONTACT BALL BEARINGS
  NA6902	15	28	23	Torrington	NEEDLE BEARINGS