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：2025-04-22
• Application:medical equipment,Oral Image,gantry processing,welding equipment,surgical instruments,agricultural testing and analysis equipment and related,sucker industry,van,safety testing,noise reduction equipment,tray industry
• Similar models:NSK LM4520 IKO TLAM4520 NSK FJL-4520L KOYO BK4520 SKF HN4520 AST HK4520 CRAFT HK4520 FBJ HK4520 SKF HK4520.2RS NTN HK4520D
• 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
  239/670 EKW33+OH39/670	630	900	170	ISB	Spherical Roller Bearings
  32938	190	260	45	NTN	Tapered Roller Bearings
  332K	160	340	68	Timken	Deep Groove Ball Bearings
  4T-13685/13620	38,1	69,012	19,05	NTN	Tapered Roller Bearings
  51426M	130	270	110	CRAFT	Thrust Ball Bearings
  5306ZZG15	30,000	72,000	30,200	SNR	Angular Contact Ball Bearings
  6211	55	100	21	CX	Deep Groove Ball Bearings
  7219 BDB	95	170	64	ISO	Angular Contact Ball Bearings
  804661BL178	35	72	18	FAG	Deep Groove Ball Bearings
  K28X40X30H	28	40		Timken	Needle Roller Bearings
  K67X73X28.8	67,000	73,000		NTN	Needle Roller Bearings
  NNU4948K	240	320	80	CX	Cylindrical Roller Bearings
  NUP322E	110	240	50	NTN	Cylindrical Roller Bearings
  SCJ35UU	35			Samick	Linear Bearings
  TAFI284230	28	42	30	IKO	NEEDLE BEARINGS
  R144ZZS	.1250	.2500	.1094	ISC	DEEP GROOVE BALL BEARINGS
  SSUCF201-8	.5000			Peer	STAINLESS STEEL PILLOW BLOCKS
  HMS-3092	14	Tr 460x5	32	CONSOLIDATED	LOCKNUTS COMPLETE WITH LOCKING CLAMP
  N-064			1.6660	CONSOLIDATED	LOCKNUTS
  51448				CONSOLIDATED	THRUST BALL BEARINGS