d - 45 mm

D - 100 mm

B - 25 mm

C - 25 mm

r min. - 1,5 mm

da min. - 53,5 mm

Da max. - 91,5 mm

ra max. - 1,5 mm

Weight - 0,912 Kg

Basic dynamic load rating (C) - 102 kN

Basic static load rating (C0) - 106 kN

(Grease) Lubrication Speed - 4 400 r/min

(Oil) Lubrication Speed - 5 700 r/min

Calculation factor (e) - 0,26

Calculation factor (Y0) - 2,54

Calculation factor (Y1) - 2,6

Calculation factor (Y2) - 3,87

• Model Number: 21309CK
• Inner Diameter：45mm Outer Diameter：100mm Width：25mm
• Type：Spherical Roller Bearings
• Update date：2025-04-22
• Application:industrial fans,Low-voltage electrical equipment,packaging machinery,medical equipment,car,special broaching machine,Oral Equipment,Display Devices,wall industry,Other Measurements,switch
• Similar models:NTN 21309CK SNR 21309V FAG 21309-E1 AST 21309MB ISO 21309W33 SKF 21309E CX 21309KCW33 Timken 21309VCSJ SKF 21309EK ISB 21309
• BEARING POWER International Trading Co.,Ltd. specialize in 21309CK products，there is large inventory of NTN 21309CK . We has been built up long-term cooperation with NTN company, could make a bulk order of the 21309CK Which NTN 21309CK 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
  22211MAC4F80W33	55	100	25	AST	Spherical Roller Bearings
  ARX60X228X44.5	60,000	228,000	44,500	NTN	Needle Roller Bearings
  AST850SM 3840	38	42		AST	Plain Bearings
  BK 1010	10	14	10	NBS	Needle Roller Bearings
  BK283818	28	38	18	CX	Cylindrical Roller Bearings
  GE 14 SP	14	28	19	ISB	Plain Bearings
  KT 556315	55	63		IKO	Needle Roller Bearings
  NP449291/NP420308	45,242	77,788	19,842	Timken	Tapered Roller Bearings
  S7018 CB/HCP4A	140	90	24	SKF	Angular Contact Ball Bearings
  XW4-3/4	120,65	152,4	25,4	INA	Thrust Ball Bearings
  YM405320JM	40	53	20	KOYO	Needle Roller Bearings
  ZK.22.1000.100-1SPPN	830	1000	82	ISB	Thrust Ball Bearings
  9109K	45	75	16	FAF	DEEP GROOVE BALL BEARINGS
  TN304	20			FAG	PILLOW BLOCKS
  1896S	480	600	56	MRC	DEEP GROOVE BALL BEARINGS
  MUL308	40	90	23	Rollway	CYLINDRICAL ROLLER BEARINGS
  E5014NRNT	70	110	54	Nachi	CYLINDRICAL ROLLER BEARINGS
  MS-13	1.5000	3.7500	.9375	NH	DEEP GROOVE BALL BEARINGS
  62102RSNR	90	.235	20	SKF	DEEP GROOVE BALL BEARINGS
  633	3	13	5	CONSOLIDATED	DEEP GROOVE BALL BEARINGS