MR128 bearing, Miniature Bearings 8x12x2.5, 0.71 KG

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Main technical Specifications

New Designations :

MR128

Main demensions :

8 × 12 × 2.5

Bore Dia × Outside Dia × Width Dia (mm)

M :

0.71 kg

Weight

ID :

8 mm

Inside diameter(I.D.)

OD :

12 mm

Outside diameter(O.D.)

T(B) :

2.5 mm

Thickness(W.D.)

Cr :

0.545 kN

Radial dynamic load rating

C0r :

0.274 kN

Radial static load rating

Grease rpm :

40000 r/min

Reference speed

Oil rpm :

48000 r/min

Limiting speed

Interchangeable :

NSK

Category :

Miniature Bearings

Detailed parameters and installation dimensions:

Bearing Code	MR128
Design Units	Metric
Bearing Classification	Miniature ball bearings
Load Direction	Radial
Number of Rows	Single Row
Seal Type	Open
Bore (id)	8 mm
Bore Diameter Tolerance	-0.008mm to 0
Outer (OD)	12 mm
Outer Diameter Tolerance	-0.008mm to 0
Width (B)	2.5 mm
Width Tolerance	-0.12mm to 0
Ring Material	52100 Chrome Steel
Ball Material	52100 Chrome Steel
Cage Material	300 Series Stainless Steel
Dynamic Load Capacity - Radial Cr	462.000 N
Static Load Capacity - Radial C0r	219.000 N
Max Speed (X1000 rpm)	40
Lubrication	Required
Shaft Install Type	Press Fit
Operating Temp Rating	-30° to 110 °C
Precision Class (ABEC)	ABEC-1
Internal Clearance	C0
Radial Clearance	0.002mm to 0.013mm
RoHS	Compliant
REACH	Compliant
Ball Qty	12
Ball Dia	1.2000 mm
Bearing Mass	0.7 g

Miniature Bearings MR128, 0.71 kg Bearing mass, (8*12*2.5 mm), 8 mm d (Bore: diameter of the inner ring), 12 mm D (Outside: diameter of the outer cylindrical surface of the outer ring), 2.5 mm B (Width: nominal width of the bearing), 545 N radial dynamic load capacity (Dyn. Cr), 274 N radial static load capacity (Stat. Cor), 40000 r/min Maximum RPM (Speed in grease), 48000 r/min Maximum RPM (Speed in oil)

Min. Order: 1 Piece/(MR128, 8 = ID, 12 = OD, 2.5 = B, 0.71 kg) or according to different suppliers
Price: Different brands, different quality, different MR128 prices, different suppliers and different quality determine different prices, you can ask the supplier in detail for the price according to your own needs.
Precision Rating: DIN: P2~P0; ANSI: ABEC9~ABEC1; JIS: JIS~JIS0; ISO: CLASS2~NORMAL CLASS; GB/T30794 B~G
Inquiry ways: The right of the inquiry form, Email, skype, Whatsapp