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:granulator,journal lathe,Vertical pull,Power equipment,power source,Other Machine Tools,other processing,flexible processing,agrochemical,laser devices,Seals
• Similar models:NTN HMK4520 NSK RLM4520 Timken HK4520 NTN HK4520D NTN HK4520LL NBS HK4520 NBS HN4520 IKO TLAM4520 NSK MF-4520 SKF HK4520.2RS
• 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
  344A/332	40	80	21	FBJ	Tapered Roller Bearings
  6204-ZZNR	20	47	14	ISB	Deep Groove Ball Bearings
  7072 BDT	360	540	164	ISO	Angular Contact Ball Bearings
  GE10DO	10	19	9	ISO	Plain Bearings
  EC-6210LLB	50	90	20	NTN	Deep Groove Ball Bearings
  FBNP-71010	7	10		NSK	Needle Roller Bearings
  GC1010KRRB	15,875	40	26,59	Timken	Deep Groove Ball Bearings
  LJ 2.1/2	63,5	127	23,81	SIGMA	Deep Groove Ball Bearings
  N1036	180	255	46	NTN	Cylindrical Roller Bearings
  N2248	240	440	120	CX	Cylindrical Roller Bearings
  NF 321	105	195		NACHI	Cylindrical Roller Bearings
  NK130/40+IR120×130×40	120	150	40	NTN	Needle Roller Bearings
  SL024832	160	200	40	INA	Cylindrical Roller Bearings
  UC217G2	85,000	150,000	85,7	SNR	Deep Groove Ball Bearings
  234411M.SP	55	90	234411 M.SP	Barden	ANGULAR CONTACT THRUST BALL BEARINGS
  AS6085	60	85		FAG	THRUST NEEDLE BEARINGS
  SN609	40		70	SKF	PILLOW BLOCKS
  633	3	13	5	Nachi	DEEP GROOVE BALL BEARINGS
  CH-20-LW	.3125	.6250	.4375	RBC	NEEDLE BEARINGS
  IR-9x12x16	9		16	CONSOLIDATED	NEEDLE BEARINGS