d - 1.2 mm

D - 4 mm

B - 1.8 mm

d₁ - - 2.15 mm

D₁ - - 3.05 mm

r_1,2 - min. - 0.1 mm

d_a - min. - 2 mm

D_a - max. - 3.2 mm

r_a - max. - 0.1 mm

Basic dynamic load rating - C - 0.062 kN

Basic static load rating - C₀ - 0.016 kN

Fatigue load limit - P_u - 0.001 kN

Reference speed - 220000 r/min

Limiting speed - 140000 r/min

Calculation factor - k_r - 0.02

Calculation factor - f₀ - 6.4

Mass bearing - 0.0001 kg

• Model Number: WBB1-8700
• Inner Diameter：4mm Outer Diameter：1,2mm Width：1,8mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-15
• Application:casting embedding,Plastic molding,Cylinder Micro,Medical printer,air shower etc,security equipment,Other Measurements,woodworking machinery,office equipment,food safety,product accessories
• Similar models:SKF WBB1-8700-2Z SKF WBB1-8700 SKF WBB1-8700R NTN 87008
• BEARING POWER International Trading Co.,Ltd. specialize in WBB1-8700 products，there is large inventory of SKF WBB1-8700 . We has been built up long-term cooperation with SKF company, could make a bulk order of the WBB1-8700 Which SKF WBB1-8700 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
  22217CW33	85	150	36	AST	Spherical Roller Bearings
  52311	57	105	64	ISO	Thrust Ball Bearings
  7238-BCB-MP	190	340	55	NKE	Angular Contact Ball Bearings
  CRB 14025	140	200	25	IKO	Thrust Roller Bearings
  DAC3665W	36	65	37	KOYO	Angular Contact Ball Bearings
  GEH280HCS	280	400	200	LS	Plain Bearings
  K24X28X13H	24	28		Timken	Needle Roller Bearings
  KHM911245-HM911210	60,325	130,175	36,513	FAG	Tapered Roller Bearings
  NCF 1880 V	500	400	46	SKF	Cylindrical Roller Bearings
  NJ338-E-MA6+HJ338-E	190	400	78	NKE	Cylindrical Roller Bearings
  NN3956MBKR	280	355	75	NSK	Cylindrical Roller Bearings
  SR1-5-TT	2,38	7,9375	3,57124	AST	Deep Groove Ball Bearings
  TM-SC03A53C3	17	40	10	NTN	Deep Groove Ball Bearings
  QJ317	85	180	41	FAG	ANGULAR CONTACT BALL BEARINGS WITH SPLIT INNER RACE
  6217RS	150	85	28	FAG	DEEP GROOVE BALL BEARINGS
  GE280ES.2RS	280	400	155	FAG	SPHERICAL PLAIN BEARINGS
  140RU51	140	220	36	Torrington	CYLINDRICAL ROLLER BEARINGS
  30216	80	140	26	SNR	TAPERED ROLLER BEARINGS
  KM-20			18	CONSOLIDATED	LOCKNUTS
  VSI200844	736	916		CONSOLIDATED	SLEWING BEARINGS