d - 42,875 mm

D - 82,931 mm

T - 23,812 mm

B - 25,4 mm

C - 19,05 mm

a - 17,5 mm

r min. - 3,6 mm

r2 min. - 0,8 mm

da min. - 55 mm

Da - 74 mm

db min - 49 mm

ra max. - 3,6 mm

rb max. - 0,8 mm

Db - 77 mm

Weight - 0,582 Kg

Basic dynamic load rating (C) - 77,2 kN

Basic static load rating (C0) - 100 kN

(Grease) Lubrication Speed - 4800 r/min

(Oil) Lubrication Speed - 6300 r/min

Calculation factor (e) - 0,33

Calculation factor (Y0) - 0,99

Calculation factor (Y1) - 1,79

• Model Number: 25577/25520
• Inner Diameter：42,875mm Outer Diameter：82,931mm Width：23,812mm
• Type：Tapered Roller Bearings
• Update date：2025-04-24
• Application:office equipment,manual Tools,granulator,engineering machine,Medium and large motor,injection molding machine,office outdoor camping equipment,fabric products,rolling machine,food sterilization,Hair styling device
• Similar models:Timken 25577/25519 ISO 25577/25520 Timken 25577/25523 NACHI 25577/25523 NSK 25577/25521 NTN 4T-25577/25523 NACHI H-25577/H-25523 NACHI 25577/25520 Fersa 25577/25521 CX 25577/25520
• BEARING POWER International Trading Co.,Ltd. specialize in 25577/25520 products，there is large inventory of KOYO 25577/25520 . We has been built up long-term cooperation with KOYO company, could make a bulk order of the 25577/25520 Which KOYO 25577/25520 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
  23124-K-MB-W33	120	200	62	NKE	Spherical Roller Bearings
  23230MBW33	150	270	96	AST	Spherical Roller Bearings
  30324JR	120	260	59,5	KOYO	Tapered Roller Bearings
  6313N	65	140	33	KOYO	Deep Groove Ball Bearings
  7032C	160	240	38	NTN	Angular Contact Ball Bearings
  7936CPA	180	250	33	KOYO	Angular Contact Ball Bearings
  BT1516	23,812	30,162	25,4	KOYO	Needle Roller Bearings
  GE 850 ES	850	1120	365	CX	Plain Bearings
  K 35x40x27 TN	35	40		NBS	Needle Roller Bearings
  M6205	25	52	15	KOYO	Deep Groove Ball Bearings
  NUP1926	130	180	24	ISO	Cylindrical Roller Bearings
  NUP312	60	130	31	NTN	Cylindrical Roller Bearings
  W 6001-2RS1	28	12	8	SKF	Deep Groove Ball Bearings
  3208B.2ZR	40	80	30.2	FAG	DOUBLE ROW ANGULAR CONTACT BALL BEARINGS
  HJ-243220-2RS			1.2500	Torrington	NEEDLE BEARINGS
  KD047ARO	4.7500	5.7500	.5000	KAYDON	ANGULAR CONTACT BALL BEARINGS
  QJ222N2MA	110	200	38	SKF	ANGULAR CONTACT BALL BEARINGS WITH SPLIT INNER RACE
  XLS-45/8	4.6250	6.5000	.8750	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  IR-120x130x30	120		30	CONSOLIDATED	NEEDLE BEARINGS
  22226	130	230	64	CONSOLIDATED	SPHERICAL ROLLER BEARINGS