F_w - 45 mm

D - 52 mm

C - 20 mm / Tolerance: -0,3

C_{t min} - 17,3 mm

r_min - 0,8 mm

m - 72 g / Weight

C_r - 27000 N / Dynamic load rating (radial)

C_0r - 59000 N / Static load rating (radial)

C_ur - 7600 N / Fatigue limit load, radial

n_G - 5900 1/min / Limiting speed

n_B - 4300 1/min / Reference speed

- LR40X45X20,5 / Suitable inner ring

- IR40X45X20,5 / Suitable inner ring

DIN 618-1/ISO 3245

• Model Number: BK4520
• Inner Diameter：45mm Outer Diameter：52mm Width：20mm
• Type：Needle Roller Bearings
• Update date：2025-12-16
• Application:Other machinery,food packaging,Polymer,rehabilitation training equipment,machining,car shock absorber,embroidery cloth,Medical printer,shoe-making machinery,Film machine,forklift truck
• Similar models:Timken HK4520.2RS NSK MF-4520 NBS HN4520 KOYO HK4520.2RS SKF HK4520.2RS KOYO MKM4520 INA HK4520 NSK LM354520 NSK F-4520 NSK LM4520
• BEARING POWER International Trading Co.,Ltd. specialize in BK4520 products，there is large inventory of INA BK4520 . We has been built up long-term cooperation with INA company, could make a bulk order of the BK4520 Which INA BK4520 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
  2307-K-TVH-C3	35	80	31	FAG	Self-Aligning Ball Bearings
  24148 K30W33	240	400	160	ISO	Spherical Roller Bearings
  33208F	40	80	32	Fersa	Tapered Roller Bearings
  3923	115	200	66	FBJ	Thrust Ball Bearings
  4R5008	250	350	220	NTN	Cylindrical Roller Bearings
  580/572X	82,55	139,7	36,512	Fersa	Tapered Roller Bearings
  C 39/1180 KMB	1540	1180	272	SKF	Cylindrical Roller Bearings
  7926DT	130	180	24	NTN	Angular Contact Ball Bearings
  HK081410	8	14	10	CRAFT	Needle Roller Bearings
  KLM30S	30	45	64	NTN	Linear Bearings
  LM29749/LM29710	38,1	65,088	18,034	Timken	Tapered Roller Bearings
  NCF2948 V	240	320	48	ISO	Cylindrical Roller Bearings
  NJ2309E/97	45,000	97,000	36,000	NTN	Cylindrical Roller Bearings
  SM7006CP5	30	55	13	KBC	Angular Contact Ball Bearings
  XLRJ11	279,4	368,3	44,45	RHP	Cylindrical Roller Bearings
  RSTO35	72		19.8	FAG	NEEDLE BEARINGS
  SA1-80BSS	80	120	55	NTN	SPHERICAL PLAIN BEARINGS
  E-5319-UMR	95	200	3.0625	Rollway	CYLINDRICAL ROLLER BEARINGS
  6014.2RSNR	70	110	20	STEYR	DEEP GROOVE BALL BEARINGS
  29388EM	440	680		CONSOLIDATED	SPHERICAL ROLLER THRUST BEARINGS