d - 44,45 mm

D - 83,058 mm

T - 23,812 mm

B - 25,4 mm

C - 19,05 mm

ra1 max. - 3,3 mm

a - 17,6 mm

r min. - 3,5 mm

r1 min. - 3,3 mm

Da - 72 mm

db - 51 mm

ra max. - 3,5 mm

da - 56 mm

Db - 78 mm

Weight - 0,56 Kg

Basic dynamic load rating (C) - 76,5 kN

Basic static load rating (C0) - 99 kN

(Grease) Lubrication Speed - 4500 r/min

(Oil) Lubrication Speed - 6000 r/min

Calculation factor (e) - 0,33

Calculation factor (Y0) - 0,99

Calculation factor (Y1) - 1,8

• Model Number: 25580/25521
• Inner Diameter：44,45mm Outer Diameter：83,058mm Width：23,812mm
• Type：Tapered Roller Bearings
• Update date：2025-04-23
• Application:physical instruments,plastic rolling,rolling mill roll neck and slowdown device,survey accessories,pump industry,hinge industry,PVC,crimping tools,industrial equipment,gantry processing,Switch
• Similar models:Fersa 25580/25520 Timken 25580/25519 Timken 25580/25523 NACHI 25580/25521 ISB 25580/25520 Timken 25580/25524 PFI 25580/21 NTN 4T-25580/25523 NTN 4T-25580/25522 NACHI 25580/25520
• BEARING POWER International Trading Co.,Ltd. specialize in 25580/25521 products，there is large inventory of NSK 25580/25521 . We has been built up long-term cooperation with NSK company, could make a bulk order of the 25580/25521 Which NSK 25580/25521 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
  101038X/101076G	38,1	76	57	Gamet	Tapered Roller Bearings
  13687/13621D+X1S-13687	38,1	69,012	46,035	Timken	Tapered Roller Bearings
  19150/19268B	38,1	68,262	16,52	Timken	Tapered Roller Bearings
  23248 EKW33+AOH2348	220	440	160	ISB	Spherical Roller Bearings
  618/1180 MB	1420	1180	106	SKF	Deep Groove Ball Bearings
  64R7035	64	70	35	KOYO	Needle Roller Bearings
  HAR013	65	100	18	KOYO	Angular Contact Ball Bearings
  GEEW70ES	70	105	70	FBJ	Plain Bearings
  K25x31x14	25	31	14	ISO	Needle Roller Bearings
  LM769349D/LM769310+A	431,8	571,5	161,925	NTN	Tapered Roller Bearings
  N2228	140	221	68	NTN	Cylindrical Roller Bearings
  M 88048/2/010/2/QCL7C	68,262	33,338	22,225	SKF	Tapered Roller Bearings
  PK25X35X13.8	25,000	35,000		NTN	Needle Roller Bearings
  NA 4906	30	47	17	IKO	Needle Roller Bearings
  NU2211EG	55	100	25	NACHI	Cylindrical Roller Bearings
  S7PP	15,875	34,925	7,14	Timken	Deep Groove Ball Bearings
  TAM 243220	24	32	20	IKO	Needle Roller Bearings
  CSXF110	11.0000	12.5000	.7500	INA	FOUR POINT ANGULAR CONTACT BALL BEARINGS
  RCB-061014	.6250		.8750	Torrington	NEEDLE BEARINGS
  SN-211..2211	55	-	70	CONSOLIDATED	PILLOW BLOCKS