d - 53,975 mm

D - 123,825 mm

T - 38,1 mm

B - 36,678 mm

C - 30,162 mm

ra1 max. - 3,3 mm

a - 28,8 mm

r min. - 3,5 mm

r1 min. - 3,3 mm

Da - 109 mm

db - 65 mm

ra max. - 3,5 mm

da - 71 mm

Db - 116 mm

Weight - 2,254 Kg

Basic dynamic load rating (C) - 161 kN

Basic static load rating (C0) - 221 kN

(Grease) Lubrication Speed - 3000 r/min

(Oil) Lubrication Speed - 4000 r/min

Calculation factor (e) - 0,35

Calculation factor (Y0) - 0,95

Calculation factor (Y1) - 1,7

• Model Number: 557S/552A
• Inner Diameter：53,975mm Outer Diameter：123,825mm Width：38,1mm
• Type：Tapered Roller Bearings
• Update date：2025-12-10
• Application:pipe fittings Steel industry,Broadcasting System,Industrial,car instrument,switch,Microwave Equipment,blood cell reagent,climb ladder,Hydraulic Rama,granulator,Display Devices
• Similar models:Timken 25577/25518 NACHI 25577/25520 ISO 25577/25522 CX 25577/25522 CX 25572/25520 Timken 25572/25520D+X1S-25572 KOYO 6557R/6535 NTN 4T-25577/25523 NTN 4T-15578/15523 Fersa 15579X/15520
• BEARING POWER International Trading Co.,Ltd. specialize in 557S/552A products，there is large inventory of NSK 557S/552A . We has been built up long-term cooperation with NSK company, could make a bulk order of the 557S/552A Which NSK 557S/552A 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.

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  33210	50	90	32	ISO	Tapered Roller Bearings
  43132/43312	33,338	79,375	25,4	Timken	Tapered Roller Bearings
  4R9403	470,000	660,000	470,000	NTN	Cylindrical Roller Bearings
  6304-ZNR	52	20	15	SKF	Deep Groove Ball Bearings
  6902DD	15	28	7	NSK	Deep Groove Ball Bearings
  713649240				FAG	Wheel Bearings
  NK21/20	21	29	20	JNS	Needle Roller Bearings
  LJT 8	203,2	330,2	44,45	SIGMA	Angular Contact Ball Bearings
  NKS50	50	65	22	AST	Needle Roller Bearings
  NU1056-M6+HJ1056	280	420	65	NKE	Cylindrical Roller Bearings
  NU209 E	45	85	19	CX	Cylindrical Roller Bearings
  NU212-E-M6	60	110	22	NKE	Cylindrical Roller Bearings
  RNAFW253732	25	37	32	JNS	Needle Roller Bearings
  SIA50ES-2RS	50			SKF	Plain Bearings
  7048MP.UA	240	360	56	FAG	ANGULAR CONTACT BALL BEARINGS
  234411M.SP	55	90	234411 M.SP	FAG	ANGULAR CONTACT THRUST BALL BEARINGS
  TARF45130	45	130		TIMKEN	NEEDLE BEARINGS
  462305	25	62	1.000	SKF	DEEP GROOVE BALL BEARINGS
  RMS-311/2	13.5000	24.5000	4.2500	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS