Specifications for Tapered Roller Bearings
Bearing number: 7304 BECBP
Size (mm): 52x20x15
Bore Diameter (mm): 52
Outer Diameter (mm): 20
Width (mm): 15
d: 20 mm
D: 52 mm
B: 15 mm
d1: 33.15 mm
d2: 26.75 mm
D1: 40.5 mm
a: 22.8 mm
r1,2 - min.: 1.1 mm
r3,4 - min.: 0.6 mm
da - min.: 27 mm
Da - max.: 45 mm
Db - max.: 47.8 mm
ra - max.: 1 mm
rb - max.: 0.6 mm
Basic dynamic load rating - C: 19 kN
Basic static load rating - C0: 10 kN
Fatigue load limit - Pu: 0.425 kN
Reference speed: 18000 r/min
Limiting speed: 18000 r/min
Calculation factor - kr: 0.1
Calculation factor - ka: 1.6
Calculation factor - e: 1.14
Calculation factor - X: 0.35
Calculation factor - Y0: 0.26
Calculation factor - Y1: 0.55
Calculation factor - Y2: 0.57
Category: Angular Contact Ball Bearing
Inventory: 0.0
Minimum Buy Quantity: N/A
Weight / Kilogram: 0.143
Product Group: B00308
Enclosure: Open
Flush Ground: Yes
Rolling Element: Ball Bearing
Number of Rows of Balls: Single Row
Precision Class: ABEC 3 | ISO P6
Maximum Capacity / Filling Slot: No
Snap Ring: No
Cage Material: Polymer
Contact Angle: 40 Degree
Internal Clearance: CB
Number of Bearings: 1 (Single)
Mounting Arrangement: Universal
Inch - Metric: Metric
Long Description: 20MM Bore; 52MM Outside Diameter; 15MM Width; Open; Yes Flush Ground; Ball Bearing; Single Row of Balls; ABEC 3 | ISO P6; No Filling Slot; No Snap Ring
Other Features: Normal Axial Internal Clearance
UNSPSC: 31171531
Harmonized Tariff Code: 8482.10.50.28
Noun: Bearing
Keyword String: Angular Contact
Manufacturer Item Number: 7304 BECBP
Weight / LBS: 0.3
Width: 0.591 Inch | 15 Millimeter
Outside Diameter: 2.047 Inch | 52 Millimeter
Bore: 0.787 Inch | 20 Millimeter
bore diameter:: 20 mm
radial static load capacity:: 10 kN
outside diameter:: 52 mm
cage material:: Nylon
overall width:: 15 mm
outer ring width:: 15 mm
contact angle:: 40 °
maximum rpm:: 18000 RPM
row type & fill slot:: Single-Row Non-Fill Slot
finish/coating:: Uncoated
internal clearance:: C0
precision rating:: ABEC 3 (ISO Class 6)
closure type:: Open
fillet radius:: 1 mm
radial dynamic load capacity:: 19 kN
series:: 73
d1 ≈: 33.15 mm
d2 ≈: 26.75 mm
D1 ≈: 40.5 mm
r1,2 min.: 1.1 mm
r3,4 min.: 0.6 mm
da min.: 27 mm
Da max.: 45 mm
Db max.: 47.8 mm
ra max.: 1 mm
rb max.: 0.6 mm
Basic dynamic load rating C: 19 kN
Basic static load rating C0: 10 kN
Fatigue load limit Pu: 0.425 kN
Calculation factor A: 0.00191
Calculation factor kr: 0.1
Calculation factor e: 1.14
Calculation factor X: 0.57
Calculation factor Y0: 0.52
Calculation factor Y2: 0.93
Calculation factor Y1: 0.55
Mass bearing: 0.14 kg