d - 105 mm

D - 190 mm

B - 36 mm

C - 36 mm

r min. - 2.1 mm

da min. - 116 mm

Da max. - 179 mm

ra max. - 2 mm

Weight - 4.37 Kg

Basic dynamic load rating (C) - 77.0 kN

Basic static load rating (C0) - 34.0 kN

(Grease) Lubrication Speed - 2900 r/min

(Oil) Lubrication Speed - 3600 r/min

Calculation factor (e) - 0.18

Calculation factor (Y0) - 3.73

Calculation factor (Y1) - 3.56

Calculation factor (Y2) - 5.51

• Model Number: 1221
• Inner Diameter：105mm Outer Diameter：190mm Width：36mm
• Type：Self-Aligning Ball Bearings
• Update date：2025-04-21
• Application:equipment,electric hydraulic lifting platform,Energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving,Other Machine Tools,decoration machinery,machining,medical equipment,Power equipment,laser devices,Broadcasting System,defogging and degreasing
• Similar models:ISO 1221K+H221 NKE 1221 ISO 1221K AST 1221 CX 1221 NSK 1221 KOYO 1221 CX 1221K+H221 ISO 1221 SIGMA 1221
• BEARING POWER International Trading Co.,Ltd. specialize in 1221 products，there is large inventory of KOYO 1221 . We has been built up long-term cooperation with KOYO company, could make a bulk order of the 1221 Which KOYO 1221 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
  2313 K	65	140	48	NSK	Self-Aligning Ball Bearings
  24052-E1-K30	260	400	140	FAG	Spherical Roller Bearings
  3585/3525/Q	87,312	45,237	30,162	SKF	Tapered Roller Bearings
  3NCHAC934C	170	230	28	KOYO	Angular Contact Ball Bearings
  51110	50	70	14	NACHI	Thrust Ball Bearings
  6004-RSL	42	20	12	SKF	Deep Groove Ball Bearings
  6703	17	23	4	NTN	Deep Groove Ball Bearings
  CRB 11020	110	160	20	ISB	Thrust Roller Bearings
  K32X46X32	32	46		INA	Needle Roller Bearings
  K37x44x19	37	44	19	CX	Needle Roller Bearings
  KAX075	190,5	203,2	6,35	KOYO	Angular Contact Ball Bearings
  LME50LUU	50	75	155,2	Samick	Linear Bearings
  LUJR 12	12			SKF	Linear Bearings
  R164.08				SNR	Wheel Bearings
  RNAF405017	40	50	17	JNS	Needle Roller Bearings
  U000+ER	10	26	11	NACHI	Deep Groove Ball Bearings
  RNA4902RSR	28		13	FAG	NEEDLE BEARINGS
  R1220.2Z	.1875	.3125	.1250	FAG	DEEP GROOVE BALL BEARINGS
  QJM11/2	1.5000	3.7500	.9375	RHP	ANGULAR CONTACT BALL BEARINGS WITH SPLIT INNER RACE
  KC-140XPO	14.0000	14.7500	.3750	CONSOLIDATED	FOUR POINT ANGULAR CONTACT BALL BEARINGS