F_w - 40 mm

D - 47 mm

C - 20 mm / Tolerance: -0,3

C_{t min} - 17,3 mm

r_min - 0,8 mm

m - 62 g / Weight

C_r - 25500 N / Dynamic load rating (radial)

C_0r - 52000 N / Static load rating (radial)

C_ur - 6800 N / Fatigue limit load, radial

n_G - 6600 1/min / Limiting speed

n_B - 4750 1/min / Reference speed

- LR35X40X20,5 / Suitable inner ring

- IR35X40X20,5 / Suitable inner ring

DIN 618-1/ISO 3245

• Model Number:BK4020
• Inner Diameter：40mm Outer Diameter：47mm Width：20mm
• Type：Needle Roller Bearings
• Update date：2025-12-16
• Application:oral medical device,Other Measurements,screen filter,stamping die,plastic blow molding,Anti-defibrillation pacing,atomizer class,standing experimental equipment,electrocardiograph,Vertical pull,power protection
• Similar models:KOYO HK4020.2RS Timken HK4020 NSK MF-4020 NBS HK40202RS AST HK4020-2RS NTN HMK4020 INA BK4020 ZEN BK4020 KOYO BE304020ASYB2 NSK LM4020
• BEARING POWER International Trading Co.,Ltd. specialize in BK4020 products，there is large inventory of INA BK4020 . We has been built up long-term cooperation with INA company, could make a bulk order of the BK4020 Which INA 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
  100035/100072C	35	72	24,25	Gamet	Tapered Roller Bearings
  1010KLLB	15,875	40	27,78	Timken	Deep Groove Ball Bearings
  23236RHA	180	320	112	KOYO	Spherical Roller Bearings
  23064-K-MB-W33+OH3064-H	320	480	121	NKE	Spherical Roller Bearings
  232/850BK	850,000	1500,000	515,000	NTN	Thrust Roller Bearings
  24076W33	380	560	180	ISO	Spherical Roller Bearings
  25580/25520	44.450	82.931	23.812	NACHI	Tapered Roller Bearings
  51122	110	145	25	CRAFT	Thrust Ball Bearings
  6016-2RS	80	125	22	FBJ	Deep Groove Ball Bearings
  6903-2RS	17	30	7	FBJ	Deep Groove Ball Bearings
  HK0408T2	4	8	8	NTN	Needle Roller Bearings
  NAF 173013	17	30	13	JNS	Needle Roller Bearings
  NJ3218	90	160	52,4	ISO	Cylindrical Roller Bearings
  NKIS15-XL	15	35	20	INA	Needle Roller Bearings
  NP2326 E	130	280	93	CX	Cylindrical Roller Bearings
  UCT211	55			CRAFT	Bearing Units
  320	100	215	47	FAG	DEEP GROOVE BALL BEARINGS
  E-15B	15	35	8	MRC	MAGNETO BEARINGS
  RNA49/32	52		20	Torrington	NEEDLE BEARINGS
  HMV-68I			65	CONSOLIDATED	HYDRAULIC NUTS