d - 140 mm

D - 250 mm

B - 50 mm

C₁ - 2,7 mm

D₁ - 221,2 mm

D_{a max} - 236 mm

d₁ - 175 mm

d_{a min} - 154 mm

r_{a max} - 2,5 mm

r_min - 3 mm

m - 11,2 kg / Weight

C_r - 163000 N / Dynamic load rating (radial)

e - 0,21

Y₁ - 3,05

Y₂ - 4,71

C_0r - 74000 N / Static load rating (radial)

Y₀ - 3,19

n_G - 4300 1/min / Limiting speed

n_B - 4950 1/min / Reference speed

C_ur - 3300 N

Main dimensions to DIN 630

• Model Number: 1228-M
• Inner Diameter：140mm Outer Diameter：250mm Width：50mm
• Type：Self-Aligning Ball Bearings
• Update date：2025-12-11
• Application:medical equipment,Spectrum Products,sucker industry,food safety,labor insurance,cooling system,pump industry,metallurgical mold,floor industry,Small air generators,organic raw materials
• Similar models:FAG 1228-M SIGMA 1228M
• BEARING POWER International Trading Co.,Ltd. specialize in 1228-M products，there is large inventory of FAG 1228-M . We has been built up long-term cooperation with FAG company, could make a bulk order of the 1228-M Which FAG 1228-M 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
  22317-E1-K	85	180	60	FAG	Spherical Roller Bearings
  23176 KCW33	380	620	194	CX	Spherical Roller Bearings
  24024SWRCg2E4	120	180	60	NSK	Spherical Roller Bearings
  6813DD	65	85	10	NSK	Deep Groove Ball Bearings
  3800-2Z	10	19	7	ZEN	Angular Contact Ball Bearings
  513248	38	65	52	Timken	Tapered Roller Bearings
  AST20 14IB16	22,225	25,4		AST	Plain Bearings
  CRI-2301	115	230	116	NTN	Tapered Roller Bearings
  F624ZZ	4	13	5	FBJ	Deep Groove Ball Bearings
  G1113KLLB	46,0375	90	49,21	Timken	Deep Groove Ball Bearings
  NJ 2320 E	100	215	73	NACHI	Cylindrical Roller Bearings
  NJ422-M+HJ422	110	280	65	NKE	Cylindrical Roller Bearings
  NNU 4080 W33	400	600	200	ISB	Cylindrical Roller Bearings
  NNU4920KC1NAP4	100	140	40	NTN	Cylindrical Roller Bearings
  PW37720037CS	37	72	37	PFI	Angular Contact Ball Bearings
  TUW1 26	26	44	1,5	CX	Plain Bearings
  NUP320	100	215	47	STEYR	CYLINDRICAL ROLLER BEARINGS
  STO50	50	90	20	INA	NEEDLE BEARINGS
  EI-1658-ZZ	.6250	1.0000	.1960	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  EI-1878-ZZ	.8750	1.1250	.1562	CONSOLIDATED	DEEP GROOVE BALL BEARINGS