d - 44,45 mm

D - 82,931 mm

T - 23,812 mm

B - 25,4 mm

C - 19,05 mm

ra1 max. - 0,8 mm

a - 17,6 mm

r min. - 3,5 mm

r1 min. - 0,8 mm

Da - 74 mm

db - 50 mm

ra max. - 3,5 mm

da - 57 mm

Db - 77 mm

Weight - 0,562 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: 25580/25520
• Inner Diameter：44,45mm Outer Diameter：82,931mm Width：23,812mm
• Type：Tapered Roller Bearings
• Update date：2025-04-21
• Application:small appliances,pump,motor,security equipment,Optical Instruments,industrial skin care,small diesel generators,Special Equipment,motorcycle,machine lathe,Control
• Similar models:CX 25580/25522 NTN 4T-25580/25522 KOYO 25580/25524 AST 25580/25522 Fersa 25580/25523 Timken 25580/25522 Timken 25580/25526 FBJ 25580/25520 NTN 4T-25580/25520 Timken 25580/25520DC+X1S-25581
• BEARING POWER International Trading Co.,Ltd. specialize in 25580/25520 products，there is large inventory of NSK 25580/25520 . We has been built up long-term cooperation with NSK company, could make a bulk order of the 25580/25520 Which NSK 25580/25520 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
  16004/HR11TN	20	42	8	SKF	Deep Groove Ball Bearings
  1658-RS	33,338	65,088	17,462	CYSD	Deep Groove Ball Bearings
  23188 EKW33+OH3188	410	720	226	ISB	Spherical Roller Bearings
  3198/3130	28,575	72,626	30,162	ISO	Tapered Roller Bearings
  45285/45220	50,08	104,775	30,162	FBJ	Tapered Roller Bearings
  7201C	12	32	10	CRAFT	Angular Contact Ball Bearings
  722064410	55	63	30	INA	Needle Roller Bearings
  CX693				CX	Wheel Bearings
  H917840/H917810	76,2	180,975	53,975	Timken	Tapered Roller Bearings
  L102849/L102810	44,45	73,025	18,258	Timken	Tapered Roller Bearings
  M249749/M249710	254	358,775	71,438	Timken	Tapered Roller Bearings
  NA6906	30	47	30	SKF	Needle Roller Bearings
  NNCF4868CV	340	420	80	SKF	Cylindrical Roller Bearings
  NU3080	400	600	148	PSL	Cylindrical Roller Bearings
  NUP307EG15	35,000	80,000	21,000	SNR	Cylindrical Roller Bearings
  RE 11012	110	135	12	ISB	Thrust Roller Bearings
  UCT217-52E	82,55			KOYO	Bearing Units
  CCYR-13/8-S	.3750	1.3750	.8125	McGill	NEEDLE BEARINGS
  NU-2228	140	250	68	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  96564	1.0000	1.7500	4.0000	CONSOLIDATED	JOURNAL ROLLER ASSEMBLIES