d - 40 mm

D - 90 mm

B - 23 mm

d₁ - - 56.11 mm

D₂ - - 77.7 mm

D₃ - 86.79 mm

D₄ - 96.5 mm

b - 2.7 mm

C - 3.28 mm

f - 2.46 mm

r₀ - 0.6 mm

r_1,2 - min. - 1.5 mm

d_a - min. - 49 mm

D_a - max. - 81 mm

D_b - min. - 98 mm

b_a - min. - 3 mm

C_a - max. - 5.74 mm

r_a - max. - 1.5 mm

Basic dynamic load rating - C - 45.7 kN

Basic static load rating - C₀ - 36 kN

Fatigue load limit - P_u - 1.5 kN

Reference speed - 14000 r/min

Limiting speed - 8500 r/min

Calculation factor minimum radial load - k_r - 0.05

Mass bearing - 0.64 kg

Snap ring - SP 90

• Model Number: 308 NR
• Inner Diameter：90mm Outer Diameter：40mm Width：23mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-17
• Application:Embroidery,vertical sawing machine,Garment Accessories,Sensors,Broadcasting System,root canal filling,ventilator anesthesia machine etc,teaching equipment,Forging machine,hydraulic pump,ventilation heating equipment
• Similar models:NTN UEL308D1 NSK 6308T1XVV NKE 6308-RS2 CYSD 6308 KOYO UK308 ISB 6308-Z SKF 6308N SKF 4308ATN9 AST 6308 KOYO UC308L3
• BEARING POWER International Trading Co.,Ltd. specialize in 308NR products，there is large inventory of SKF 308 NR . We has been built up long-term cooperation with SKF company, could make a bulk order of the 308 NR Which SKF 308NR 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
  20BG04S6N	20	48	24	NACHI	Angular Contact Ball Bearings
  28MM3516	28	35	16	KOYO	Needle Roller Bearings
  3188/3125	31.75		29,997	KOYO	Tapered Roller Bearings
  33118A	90	150	45	SNR	Tapered Roller Bearings
  6818ZZ	90	115	13	FBJ	Deep Groove Ball Bearings
  7202CDB	15	35	11	CYSD	Angular Contact Ball Bearings
  7210 ADB	50	90	40	ISO	Angular Contact Ball Bearings
  7908C	40	62	12	CYSD	Angular Contact Ball Bearings
  7936B	180	250	33	KOYO	Angular Contact Ball Bearings
  ASTT90 F13090	130	135		AST	Plain Bearings
  LM718947/10	91,973	142,875	30	ISO	Tapered Roller Bearings
  LM720648/LM720610	101,6	146,05	25,4	Timken	Tapered Roller Bearings
  NNU4938C1NAP4	190	260	69	NTN	Cylindrical Roller Bearings
  P698-SB	8	19	6	ZEN	Deep Groove Ball Bearings
  RCJY1-1/4-206	31.75			INA	Bearing Units
  SC08A92	40,000	80,000	16,500	NTN	Deep Groove Ball Bearings
  T7FC 045/HN3QCL7C	95	45	29	SKF	Tapered Roller Bearings
  ZARF50140TN	50	140		INA	NEEDLE BEARINGS
  PAPV28	3.5000	6.5000	1.1250	RIV	CYLINDRICAL ROLLER BEARINGS
  42RIN191	4.2500	7.5000	1.2500	Torrington	CYLINDRICAL ROLLER BEARINGS