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Unit of Measure

Technical Specifications

Type

N/A Main Spindle Bearing

Bore Type

N/A Round

Material

N/A High Carbon Chrome Steel

Cage Type

N/A Machined

Cage Material

N/A Phenolic Resin

Ball Material

N/A Steel

Limiting Speed - Oil

N/A 21000 rpm

Limiting Speed - Grease

N/A 15000 rpm

Seal Type

N/A None

Seal Material

N/A None

Precision

N/A ISO Class 4

Configuration

N/A Two

Radial Internal Clearance

N/A Special Clearance

Static Load Rating

N/A 4030 lbf17900 N17.90 kN

Dynamic Load Rating

N/A 5350 lbf23800 N23.80 kN

Enclosure

N/A Open

Weight of Single Row Bearing

N/A 0.328 lb0.149 kg

Weight

N/A 0.657 lb0.298 kg

Operating Temperature Range

N/A -40 to 250 ºF-40 to 120 ºC

Dimensional Specifications


Double Angular Contact Ball Bearing for Motors and Lathes - Back-to-Back Arrangement - Dimensions

d

N/A 1.378 in35 mm

D

N/A 2.4409 in62.000 mm

B

N/A 0.5512 in14 mm

2B

N/A 1.1024 in28 mm

d1

N/A 1.7087 in43.400 mm

d2

N/A 1.5827 in40.200 mm

D1

N/A 2.1181 in53.800 mm

r

N/A 0.0394 in1.000 mm

r1

N/A 0.0236 in0.600 mm

Contact Angle

N/A 15 º

da min

N/A 1.5945 in40.500 mm

Da max

N/A 2.2244 in56.500 mm

ras max

N/A 0.0394 in1 mm