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 - 36000 r/min

Calculation factor - k_r - 0.02

Calculation factor - f₀ - 13.4

Mass bearing - 0.0078 kg

• Model Number:W 63801-2Z
• Inner Diameter：21mm Outer Diameter：12mm Width：7mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-16
• Application:lifting upgrade,Automation,vacuum suction cup,sheet industry,security equipment,Pest Monitoring,Forging machine,other rubber,Rolling mill gear box,sleep monitoring,Other machinery
• Similar models:SKF W63801-2RS1 SKF W63801-2RZ ZEN 63801 SKF W63801-2Z ISB F63801 SKF W63801R-2Z CX 63801-2RS CX 63801 ISO 63801-2RS CX 63801ZZ
• BEARING POWER International Trading Co.,Ltd. specialize in W63801-2Z products，there is large inventory of SKF W 63801-2Z . We has been built up long-term cooperation with SKF company, could make a bulk order of the W 63801-2Z Which SKF W63801-2Z 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
  2PE6303	315,910	520,000	210,000	NTN	Thrust Roller Bearings
  30210-A	50	90	21,75	FAG	Tapered Roller Bearings
  50KW02A	49,987	114,3	44,45	NSK	Tapered Roller Bearings
  6919LUZ	95,000	130,000	18,000	NTN	Deep Groove Ball Bearings
  GE 190 SX	190	290	64	INA	Plain Bearings
  K18×23×20S	18	23		NTN	Needle Roller Bearings
  NA3140	140	205	52	Timken	Needle Roller Bearings
  NN3010K/W33	50	80	23	CYSD	Cylindrical Roller Bearings
  NU28/630	630	780	88	CX	Cylindrical Roller Bearings
  RNAO-30×40×17	30	35	17	NTN	Needle Roller Bearings
  TAM 3815	38	48	15	IKO	Needle Roller Bearings
  UCFA205-15	23,8125			FYH	Bearing Units
  9138K	190	290	46	FAF	DEEP GROOVE BALL BEARINGS
  XLS-53/4	5.7500	7.7500	1.0000	FAG	DEEP GROOVE BALL BEARINGS
  G-27	2.1250	3.3125		Aetna	THRUST BALL BEARINGS
  GIR70DO	70		49	ELGES	ROD ENDS
  L1224U	120	215	40	Rollway	CYLINDRICAL ROLLER BEARINGS
  RLS21L	4.0000	7.2500	1.2500	NH	CYLINDRICAL ROLLER BEARINGS
  6005NR	25	47	12	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  N-215	75	130	25	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS