(dimensions in mm)

Bearing Type - Single Row

Outer Dia (D) - 68.0000

Width (B) - 25.0000

Dynamic Load Rating (Cr) - 40,000

Static Load Rating (Cor) - 82,000

Max Speed (Oil) (X1000 RPM) - 8,000

Shaft (Fw) - 55.000

Weight (g) - 180.00

Material - 52100 Chrome steel, or equivalent

The bearing must be used with a hardened inner ring, or a hardened shaft.

Some sizes are available with either a single seal or two seals.

• Model Number: NK55/25
• Inner Diameter：55mm Outer Diameter：68mm Width：25mm
• Type：Needle Roller Bearings
• Update date：2025-12-16
• Application:security equipment,security,wall industry,plastic molding,packaging materials,security equipment,wheel lathe,bathroom facilities,hydraulic connector,Other Measurements,Digital Generator
• Similar models:KOYO K55X63X25 IKO KT556325 IKO GTRI355520 NTN NK55/25R NTN NK48X55X27 NTN K55X63X32 KOYO RNAO55X68X20 NBS NK155/32 KOYO RNA1055 NBS NAO35x55x20
• BEARING POWER International Trading Co.,Ltd. specialize in NK55/25 products，there is large inventory of AST NK55/25 . We has been built up long-term cooperation with AST company, could make a bulk order of the NK55/25 Which AST NK55/25 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
  23144RHAK	220	370	120	KOYO	Spherical Roller Bearings
  24088	440	650	212	ISB	Spherical Roller Bearings
  53408	40	90	38,2	KOYO	Thrust Ball Bearings
  560-S/552	68,262	123,825	38,1	Timken	Tapered Roller Bearings
  7310DT	50	110	27	NACHI	Angular Contact Ball Bearings
  BHT108	15,875	22,225	12,7	KOYO	Needle Roller Bearings
  HSS71910-E-T-P4S	50	72	12	FAG	Angular Contact Ball Bearings
  N1008MR	40	61	15	NSK	Cylindrical Roller Bearings
  NU2308R	40	90	33	KOYO	Cylindrical Roller Bearings
  PBR10EFN	10			NMB	Self-Aligning Ball Bearings
  RNAO40x55x20	40	55		CX	Cylindrical Roller Bearings
  UCFB206	30			FYH	Bearing Units
  VLU 20 0944	834	1048		INA	Thrust Ball Bearings
  NJ1024	120	180	28	FAG	CYLINDRICAL ROLLER BEARINGS
  4450	2.0000	2.1875	3.0000	Hyatt	JOURNAL ROLLER BEARING OUTER RACES
  RWCT-45B	10.9680	11.5000		INA	THRUST ROLLER BEARINGS
  NUP2316E	80	170	58	SKF	CYLINDRICAL ROLLER BEARINGS
  SD-3144	200			Torrington	PILLOW BLOCKS
  212-SZZG	110	.235	22	MRC	DEEP GROOVE BALL BEARINGS
  210	50	90	20	SKF	DEEP GROOVE BALL BEARINGS