d - 45 mm

D - 100 mm

T - 27,25 mm

a - 32 mm

B - 25 mm

C - 18 mm

C_{a min} - 4 mm

C_{b min} - 9 mm

D_{a max} - 91 mm

D_{a min} - 79 mm

D_{b min} - 95 mm

d₁ - 75,8 mm

d_{a max} - 56 mm

d_{b min} - 54 mm

r_{1, 2 min} - 2 mm

r_{3, 4 min} - 1,5 mm

r_{a max} - 2 mm

r_{b max} - 1,5 mm

m - 0,998 kg / Weight

C_r - 96000 N

C_0r - 108000 N / Static load rating (radial)

e - 0,83

Y - 0,73

Y₀ - 0,4

C_ur - 12700 N / Fatigue limit load, radial

n_G - 7100 1/min / Limiting speed

n_B - 4650 1/min / Reference speed

Main dimensions to DIN ISO 355 / DIN 720, separable, adjusted or in pairs

• Model Number: 31309-A
• Inner Diameter：45mm Outer Diameter：100mm Width：27,25mm
• Type：Tapered Roller Bearings
• Update date：2025-12-10
• Application:Small air generators,instrumentation instrument,chemical,beverage production,Doppler,Other Measurements,Traffic Fire Protection Equipment Security equipment,flexible processing,pneumatic Pump,chamfer,Gas turbine
• Similar models:ISB 31309J/CDF ISB 31309 Timken 31309 Fersa 31309F FAG 31309-A FAG 31309-A-N11CA-A60-100 CYSD 31309 SKF 31309J2/QCL7CDF NKE 31309 Timken X31309M/Y31309M
• BEARING POWER International Trading Co.,Ltd. specialize in 31309-A products，there is large inventory of FAG 31309-A . We has been built up long-term cooperation with FAG company, could make a bulk order of the 31309-A Which FAG 31309-A 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
  25577/25518	42,875	81,973	23,876	Timken	Tapered Roller Bearings
  24068	340	520	180	ISB	Spherical Roller Bearings
  2TS2-DF06A78LLA4-BCS28PX1/L696	30,000	47,000	18,000	NTN	Angular Contact Ball Bearings
  33016	80	125	36	ISB	Tapered Roller Bearings
  6001LT	12,000	28,000	8,000	SNR	Deep Groove Ball Bearings
  60RIU249	152,4	245		Timken	Cylindrical Roller Bearings
  6224-2Z	215	120	40	SKF	Deep Groove Ball Bearings
  6308-2Z/VA208	90	40	23	SKF	Deep Groove Ball Bearings
  BRI 243720	38,1	58,738	32	IKO	Needle Roller Bearings
  E30209J	45	85	20.75	NACHI	Tapered Roller Bearings
  FJ-1716	17	23	16	NSK	Needle Roller Bearings
  K30X37X18FV	30	37		Timken	Needle Roller Bearings
  NN3016/W33	80	125	34	CYSD	Cylindrical Roller Bearings
  SR168-TT	6,35	9,525	3,175	AST	Deep Groove Ball Bearings
  7313WNSU	65	140	33	FAF	ANGULAR CONTACT BALL BEARINGS
  SN226with23226	130	-	130	FAG	PILLOW BLOCKS
  9101KDD	12	28	8	FAF	DEEP GROOVE BALL BEARINGS
  BSB055090	55	90	15	RHP	ANGULAR CONTACT BALL SCREW SUPPORT BEARINGS
  100220	.6250	1.0000	1.2500	Rollway	JOURNAL ROLLER ASSEMBLIES
  SR-22310-2RS	50	110	40	CONSOLIDATED	SPHERICAL ROLLER BEARINGS