d - 66.675 mm

D - 97.631 mm

T - 25.400 mm

d1 - 96.838 mm

r min. - 2.4 mm

D1 - 67.469 mm

da min. - 85 mm

Da max. - 79 mm

ra max. - 1.6 mm

Weight - 0.660 Kg

Basic dynamic load rating (C) - 60,5 kN

Basic static load rating (C0) - 160 kN

(Grease) Lubrication Speed - 2000 r/min

(Oil) Lubrication Speed - 3000 r/min

• Model Number: O-21
• Inner Diameter：66.675mm Outer Diameter：97.631mm Width：25.400mm
• Type：Thrust Ball Bearings
• Update date：2025-12-15
• Application:woodworking machinery,lifting equipment Hoisting hoist,rock drilling machinery,climb ladder,hydraulic control element,Industrial Electromechanical,stamping die and its equipment,diving equipment,fruit and vegetable processing,medical equipment,sterilizers
• Similar models:SKF NU2211ECJ SKF NJ210ECPH SKF NUP212ECJ SKF NU2213ECP CX 54217 NSK 51210 SKF NU214ECPH SKF NJ214ECM SKF NU213ECM SKF N218ECP
• BEARING POWER International Trading Co.,Ltd. specialize in O-21 products，there is large inventory of NACHI O-21 . We has been built up long-term cooperation with NACHI company, could make a bulk order of the O-21 Which NACHI O-21 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
  31305	25	62	18,25	ISO	Tapered Roller Bearings
  51324	120	210	70	NACHI	Thrust Ball Bearings
  6002/HR11QN	15	32	9	SKF	Deep Groove Ball Bearings
  7413 ADB	65	160	74	ISO	Angular Contact Ball Bearings
  F635DD	5	22	6	NSK	Deep Groove Ball Bearings
  GE 20 C	20	35	16	ISB	Plain Bearings
  HM813844/10	66,675	127	36,512	ISO	Tapered Roller Bearings
  HM903247/HM903210	44,45	95,25	30,958	Timken	Tapered Roller Bearings
  JTT-1014	15.875	20.638	22.23	KOYO	Needle Roller Bearings
  NA6902	15	28	23	Timken	Needle Roller Bearings
  SA4-25B	25	42	21	NTN	Plain Bearings
  UCP316	80			CX	Bearing Units
  YRT200	200	300	15	INA	Complex Bearings
  NJ405	25	80	21	FAG	CYLINDRICAL ROLLER BEARINGS
  51200				FAG	THRUST BALL BEARINGS
  RA100RR	1.0000	2.0472	.5906	FAF	BALL BEARINGS
  1901HCDUL	12	24	6	Barden	ANGULAR CONTACT BALL BEARINGS
  KF100CPO	10.0000	11.5000	.7500	KAYDON	DEEP GROOVE BALL BEARINGS
  S-519M	1.1875			Sealmaster (Old No.)	PILLOW BLOCKS
  160632	1.0000	1.7500	2.0000	Rollway	JOURNAL ROLLER ASSEMBLIES