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：2023-10-16
• Application:Small air generators,electric pump,electrostatic protection,Internal thread type,Vertical machining,wall industry,position switch,Laser Devices,food packaging,Infrared Technology,reducer
• Similar models:NTN 4T-25577/25522 Timken 557-S/552-B NSK 25578/25520 CX 25570/25520 NSK 25578/25523 Timken 557/552A FAG K15578-15520 Timken 25577/25520 ISO 557S/552A Fersa 25578/25523
• 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.

• Model No.	Inner Diameter	Outer Diameter	Width	Brand	Type
  32232	160	290	84	CYSD	Tapered Roller Bearings
  3994/3927X	66,675	110	30,162	Timken	Tapered Roller Bearings
  51168X	340	420	64	NSK	Thrust Ball Bearings
  6704	20	27	4	NTN	Deep Groove Ball Bearings
  6944	220	300	38	CYSD	Deep Groove Ball Bearings
  HAR017	85	130	22	KOYO	Angular Contact Ball Bearings
  JP-33-F	4.763	8.733	4.77	KOYO	Needle Roller Bearings
  NF304	20	52	15	FBJ	Cylindrical Roller Bearings
  NJ2228	140	250	68	CYSD	Cylindrical Roller Bearings
  NJ3326	130	280	112	CX	Cylindrical Roller Bearings
  NUP3240	200	360	128	ISO	Cylindrical Roller Bearings
  SSN206LL	30,000	62,000	16,000	NTN	Deep Groove Ball Bearings
  W638/4-2Z	4	9	4	SKF	Deep Groove Ball Bearings
  32932	160	220	38	FAG	TAPERED ROLLER BEARINGS
  AH24176H	380	360		FAG	WITHDRAWAL SLEEVES
  FLR0	.0469	.1562	.0937	NTN	DEEP GROOVE BALL BEARINGS
  2911	78	55		CONSOLIDATED	THRUST BALL BEARINGS
  SN-214..22214	70	-	80	CONSOLIDATED	PILLOW BLOCKS
  6304-ZZ	20	52	15	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  HC7222TGP/4	110	200	38	CONSOLIDATED	ANGULAR CONTACT BALL BEARINGS