d - 8 mm

D - 16 mm

B - 6 mm

d₂ - - 9.65 mm

D₂ - - 14.2 mm

r_1,2 - min. - 0.2 mm

d_a - min. - 9.5 mm

d_a - max. - 9.6 mm

D_a - max. - 14.4 mm

r_a - max. - 0.2 mm

Basic dynamic load rating - C - 0.715 kN

Basic static load rating - C₀ - 0.3 kN

Fatigue load limit - P_u - 0.012 kN

Reference speed - 90000 r/min

Limiting speed - 45000 r/min

Calculation factor - k_r - 0.02

Calculation factor - f₀ - 7.5

Mass bearing - 0.0041 kg

• Model Number:W 638/8-2Z
• Inner Diameter：16mm Outer Diameter：8mm Width：6mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-11
• Application:Hydraulic Couplings,medical equipment,knitted fabrics,pneumatic Pump,wall materials,chamfer,Logistics Equipment,product accessories,hydraulic connector,electronic materials,E Beauty
• Similar models:ZEN 63801-2Z NSK 638 SKF W63804 SKF W638/5R-2RS1 CYSD 1638-ZZ SKF W63802 SKF W638/5-2RS1 SKF W638/4X-2Z SKF 638-RZ ZEN 63801
• BEARING POWER International Trading Co.,Ltd. specialize in W638/8-2Z products，there is large inventory of SKF W 638/8-2Z . We has been built up long-term cooperation with SKF company, could make a bulk order of the W 638/8-2Z Which SKF W638/8-2Z 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
  350/354X	40	85	20,638	Timken	Tapered Roller Bearings
  AU0920-1LXL/L588	43	79	41	NTN	Angular Contact Ball Bearings
  40BGS39G-2DL	40	66	24	NACHI	Angular Contact Ball Bearings
  51218	90	135	35	NACHI	Thrust Ball Bearings
  7000B	10	26	8	KOYO	Angular Contact Ball Bearings
  71944 ACD/P4A	300	220	38	SKF	Angular Contact Ball Bearings
  HI-CAP 57089/30306J	31.75	72	20,75	KOYO	Tapered Roller Bearings
  JL 26749 F/710	53	32	14,5	SKF	Tapered Roller Bearings
  HS71905-E-T-P4S	25	42	9	FAG	Angular Contact Ball Bearings
  KBFL 60-PP	60	90		NBS	Linear Bearings
  KBK16X20X18.8	16,000	20,000		NTN	Needle Roller Bearings
  P 52 R-20 RM	20			SKF	Bearing Units
  UCX14-44L3	69,85	130	77,8	KOYO	Deep Groove Ball Bearings
  1808HC	40	52	7	Barden	ANGULAR CONTACT BALL BEARINGS
  NUP2022E	110	170	36	FAG	CYLINDRICAL ROLLER BEARINGS
  487507	35	72	.6692	New Departure	DEEP GROOVE BALL BEARINGS
  234722M.SP	114	170	234722 M.SP	FAG	ANGULAR CONTACT THRUST BALL BEARINGS
  70TAD20	70	110	234414 M.SP	Nachi	ANGULAR CONTACT THRUST BALL BEARINGS
  HK2220.2RS	28		20	SKF	NEEDLE BEARINGS
  RLS-241/2-LL	6.5000	11.0000	1.5625	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS