F_w - 40 mm

D - 47 mm

C - 20 mm

C₁ - min. - 17.3 mm

r - min. - 0.8 mm

Basic dynamic load rating - C - 24.2 kN

Basic static load rating - C₀ - 53 kN

Fatigue load limit - P_u - 6.4 kN

Reference speed - 6300 r/min

Limiting speed - 7000 r/min

Mass bearing - 0.062 kg

Inner ring IR series - IR 35x40x20.5

Inner ring LR series - LR 35x40x20.5

Radial shaft seal with a low cross-sectional height, single lip - G 40x47x4

Radial shaft seal with a low cross-sectional height, double lip - SD 40x47x4

• Model Number:BK 4020
• Inner Diameter：47mm Outer Diameter：40mm Width：20mm
• Type：Cylindrical Roller Bearings
• Update date：2025-12-10
• Application:Roller,Infrared Technology,equipment,security equipment,other accessories,storage and transportation equipment,office equipment,small appliances,medical equipment,cooling system,aerial work platform
• Similar models:SKF C4020-2CS5V/GEM9 ISB FCDP140200710 ISO BK304020 ISO HK4020 CX BK4020 SKF C4020V CX HK4020 ISO BK4020 ISO HK304020 SKF C4020K30V
• BEARING POWER International Trading Co.,Ltd. specialize in BK4020 products，there is large inventory of SKF BK 4020 . We has been built up long-term cooperation with SKF company, could make a bulk order of the BK 4020 Which SKF BK4020 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
  3204ZZ	20	47	20,6	CRAFT	Angular Contact Ball Bearings
  3209	45	85	30.2	KOYO	Angular Contact Ball Bearings
  497/493	85,725	136,525	30,162	CX	Tapered Roller Bearings
  6004-2RD	20	42	12	KOYO	Deep Groove Ball Bearings
  7018C	90	140	24	CRAFT	Angular Contact Ball Bearings
  7311BA	55,000	120,000	29,000	SNR	Angular Contact Ball Bearings
  K10X13X14.8	10,000	13,000		NTN	Needle Roller Bearings
  NJ2338-E-MPA	190	400	132	NKE	Cylindrical Roller Bearings
  NU314-E-TVP2	70	150	35	FAG	Cylindrical Roller Bearings
  SA209-26F	41,275	85	30,2	KOYO	Deep Groove Ball Bearings
  UK217+H2317	85	150	46	NACHI	Deep Groove Ball Bearings
  UK322+H2322	110	240	80	NACHI	Deep Groove Ball Bearings
  W 638	28	8	9	SKF	Deep Groove Ball Bearings
  NCS-2820			1.2500	INA	NEEDLE BEARINGS
  NU2209E	45	85	23	SKF	CYLINDRICAL ROLLER BEARINGS
  MB-29	145	172	14	STEYR	LOCKWASHERS
  52414				SKF	THRUST BALL BEARINGS
  NJ-2334V	170	360	120	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  NK-7/10	14		10	CONSOLIDATED	NEEDLE BEARINGS
  RSL185017	85	4.7810	60	CONSOLIDATED	CYLINDRICAL ROLLER BEARING