d - 2 mm

D - 5 mm

B - 2.3 mm

d₁ - - 2.7 mm

D₂ - - 4.4 mm

D₃ - 6.1 mm

C - 0.6 mm

r_1,2 - min. - 0.08 mm

d_a - min. - 2.52 mm

r_a - max. - 0.08 mm

Basic dynamic load rating - C - 0.094 kN

Basic static load rating - C₀ - 0.025 kN

Fatigue load limit - P_u - 0.001 kN

Reference speed - 200000 r/min

Limiting speed - 100000 r/min

Calculation factor - k_r - 0.02

Calculation factor - f₀ - 6.5

Mass bearing - 0.00025 kg

• Model Number:W 638/2 R-2Z
• Inner Diameter：5mm Outer Diameter：2mm Width：2,3mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-16
• Application:lifting upgrade,sheet industry,Hair styling device,Small air generators,supporting facilities,glass,key lock,vacuum suction cup,coal,wheel lathe,Technical Equipment
• Similar models:ISB F63801ZZ SKF 638/5-2Z SKF W638/5-2Z SKF W63806-2Z SKF W63801-2RZ ISB 63800 ZEN S638-2RS SKF W638/8-2Z SKF W638/3R-2RS1 ZEN 63803-2Z
• BEARING POWER International Trading Co.,Ltd. specialize in W638/2R-2Z products，there is large inventory of SKF W 638/2 R-2Z . We has been built up long-term cooperation with SKF company, could make a bulk order of the W 638/2 R-2Z Which SKF W638/2R-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
  16026	130	200	22	NTN	Deep Groove Ball Bearings
  23064-MB	320	480	121	FAG	Spherical Roller Bearings
  30317A	85	180	44,5	ZVL	Tapered Roller Bearings
  46T080704	42	72	38	KOYO	Tapered Roller Bearings
  6300Z	10,000	35,000	11,000	NTN	Deep Groove Ball Bearings
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  71916 CE/HCP4AH1	110	80	16	SKF	Angular Contact Ball Bearings
  7210 CDF	50	90	40	ISO	Angular Contact Ball Bearings
  7224CDB	120	215	40	CYSD	Angular Contact Ball Bearings
  ER210-32	50,8	90	51,6	FYH	Deep Groove Ball Bearings
  GEC380HCS	380	520	190	LS	Plain Bearings
  ML71912CVUJ74S	60	85	13	SNR	Angular Contact Ball Bearings
  NN3122	110	180	56	CX	Cylindrical Roller Bearings
  NP418	90	225	54	ISO	Cylindrical Roller Bearings
  SDMF6MG	6	12		KOYO	Linear Bearings
  SLX35X100X36	35,000	100,000	36,000	NTN	Cylindrical Roller Bearings
  GIR25DO	25		20	ELGES	ROD ENDS
  10403	17	62	17	SKF	SELF
  MB-18	90	108	10	CONSOLIDATED	LOCKWASHERS
  NKS-70	90		28	CONSOLIDATED	NEEDLE BEARINGS