d - 105 mm

D - 145 mm

B - 20 mm

C - 20 mm

rn - 0,5 mm

a - 3,3 mm

b - 1,9 mm

f - 1,7 mm

r min. - 1,1 mm

r0 max. - 0,6 mm

D1 - 142,6 mm

D2 - 150,7 mm

da min. - 111,5 mm

da max - 116 mm

Da max. - 138,5 mm

ra max. - 1 mm

Weight - 0,856 Kg

Basic dynamic load rating (C) - 42,5 kN

Basic static load rating (C0) - 42 kN

(Grease) Lubrication Speed - 4 300 r/min

(Oil) Lubrication Speed - 5 300 r/min

Calculation factor (f0) - 16,5

• Model Number: 6921NR
• Inner Diameter：105mm Outer Diameter：145mm Width：20mm
• Type：Deep Groove Ball Bearings
• Update date：2025-04-22
• Application:root canal filling,Optical Instruments,pump accessories,tube,Industrial equipment,machining,food / grain / food equipment,relay,industrial skin care,chuck industry,marine analysis
• Similar models:CYSD 6921-RS KOYO 6921-1-2RS NTN 6921LLU NSK 6921VV NTN 6921LLB CYSD 6921 NTN 6921ZZ KOYO 6921-1Z CYSD 6921-Z NSK 6921NR
• BEARING POWER International Trading Co.,Ltd. specialize in 6921NR products，there is large inventory of NSK 6921NR . We has been built up long-term cooperation with NSK company, could make a bulk order of the 6921NR Which NSK 6921NR 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
  231/800E	800	1280	375	NACHI	Cylindrical Roller Bearings
  23968 KCW33+AH3968	340	460	90	ISO	Spherical Roller Bearings
  46334	170	280	88	KOYO	Tapered Roller Bearings
  4T-M12648/M12610	22,225	50,005	17,526	NTN	Tapered Roller Bearings
  52211	45	90	45	ISB	Thrust Ball Bearings
  6211ZZ	55	100	21	KBC	Deep Groove Ball Bearings
  6305 N	25	62	17	ISB	Deep Groove Ball Bearings
  7205 ACD/P4A	52	25	15	SKF	Angular Contact Ball Bearings
  AB44201S01	26	70	17	SNR	Deep Groove Ball Bearings
  ASTT90 3215	32	36		AST	Plain Bearings
  GAKFL 30 PB	30	55	37	INA	Plain Bearings
  NA 4872	360	440	80	NBS	Needle Roller Bearings
  UCFS326	130			SNR	Bearing Units
  SAPF207-23	36,5125			KOYO	Bearing Units
  63816-2RS	80	100	15	ELGES	DEEP GROOVE BALL BEARINGS
  AT-624				Rollway	THRUST ROLLER BEARING WITH SPHERICAL SEATING RING
  ALN28	58	28	16	RIV	DEEP GROOVE BALL BEARINGS
  R-8	.5000	1.1250	.2500	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  1301	12	37	12	CONSOLIDATED	SELF
  CT-23	4.4530	4.7500		CONSOLIDATED	THRUST ROLLER BEARINGS