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7956B KOYO Single-row, matched pair angular contact ball bearings

Name: 7956B KOYO Single-row, matched pair angular contact ball bearings
Brand: KOYO
SKU: 7956B
Rating: 4.9 (5 reviews)

KOYO 7956B Bearing SPECIFICATIONS

Brand Name:KOYO
Model Number:
7956B
Category:Cylindrical Roller Bearing
Inventory:2.0
Minimum Buy Quantity:N/A
Weight:14.7
Product Group:B04144
Bore Profile:Straight
Cage Material:Brass
Precision Class:RBEC 1 | ISO P0

Download KOYO 7956B Spec Sheet

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Types of 7956B KOYO Single-row, matched pair angular contact ball bearings

Category:Cylindrical Roller Bearing
Inventory:2.0
Minimum Buy Quantity:N/A
Weight:14.7
Product Group:B04144
Bore Profile:Straight
Cage Material:Brass
Precision Class:RBEC 1 | ISO P0
Number of Rows of Rollers:Single Row
Separable:Inner Ring - Both Sides
Rolling Element:Cylindrical Roller Bearing
Profile:Complete with Outer and Inner Ring
Snap Ring:No
Internal Clearance:C0-Medium
Retainer:Yes
Relubricatable:Yes
Inch - Metric:Metric
Other Features:High Capacity | Plain Inner Ring | 2 Rib Outer Ring | Light Wide Series | Cage on Outer Ring ID
Long Description:140MM Bore; Straight Bore Profile; 250MM Outside Diameter; 68MM Width; Brass Cage Matetrial; RBEC 1 | ISO P0; Single Row; Inner Ring - Both Sides Separable; No Snap Ring; Relubricatable; C0-Medium Int
UNSPSC:31171547
Harmonized Tariff Code:8482.50.00.00
Noun:Bearing
Manufacturer Item Number:NU2228E.M1
Weight / LBS:32.407
d:5.512 Inch | 140 Millimeter
D:9.843 Inch | 250 Millimeter
B:2.677 Inch | 68 Millimeter

7956B KOYO Single-row, matched pair angular contact ball bearings pdf

KOYO 7956B 7956B KOYO Single-row, matched pair angular contact ball bearings Technology

Mass bearing	0.29 kg
Calculation factor A	0.00278
Basic static load rating C0	30 kN
Calculation factor Y0	0.58
Calculation factor Y2	1.07
Fatigue load limit Pu	1.27 kN
Limiting speed	20000 r/min
B	17 mm
Calculation factor Y1	0.66
d1 ≈	34 mm
d	25 mm
b	4.5 mm
r1,2 min.	1.1 mm
r0	0.5 mm
ra max.	1 mm
a	30 mm
h	3.5 mm
Calculation factor e	0.95
Basic dynamic load rating C	42.5 kN
Da max.	55 mm

7956B KOYO Single-row, matched pair angular contact ball bearings cross reference by manufacturer
No.	Brand	d	D	B	C	a	C0	2B	D2
7956	NTN	280 mm	380 mm	46 mm	261 kN	118 mm	385 kN	-	-
7956A	NSK	280 mm	380 mm	46 mm	245 kN	118,3 mm	-	-	-
7956A5TRSU	NSK	280 mm	380 mm	46 mm	256 kN	533,9 mm	390 kN	-	373 mm
7956B	KOYO	280 mm	380 mm	46 mm	226 kN	161,5 mm	-	-	-
7956CTRSU	NSK	280 mm	380 mm	46 mm	272 kN	533,9 mm	410 kN	-	373 mm
7956DB	NTN	280 mm	380 mm	46 mm	425 kN	118 mm	775 kN	92 mm	-
7956DF	NTN	280 mm	380 mm	46 mm	425 kN	118 mm	775 kN	92 mm	-
7956DT	NTN	280 mm	380 mm	46 mm	425 kN	118 mm	775 kN	92 mm	-
579565-A1200-1250	FAG BEARING	-	-	-	-	-	-	-	-
579569	FAG BEARING	-	-	-	-	-	-	-	-
579565	FAG BEARING	-	-	-	-	-	-	-	-

NNU4934 KOYO Double-row cylindrical roller bearings	Clearance:Standard; d:80mm; Seals or Shields:Open Type; SKU:3216-b-tvh-fag; Dynamic Load Rating (kN):98; Fatigue Load Rating (kN):4.95; D:140mm; Limiting Speed Rating (r/min):4000; Availability:In Stock; Weight:2.45 KGS; Static Load Rating (kN):93; Cage Type:Plastic; Reference Speed Rating (r/min):5
NNU4932 KOYO Double-row cylindrical roller bearings	D:160 mm; Roller and cage thrust assembly:K 81222 TN; Eb:152 mm; Ea:117 mm; Mass roller and cage thrust assembly:0.53 kg; Fatigue load limit Pu:98 kN; Dw:15 mm; d:110 mm; Basic dynamic load rating C:260 kN; Basic static load rating C0:1000 kN; Limiting speed:1700 r/min; Reference speed:850 r/min;
NNU4938 KOYO Double-row cylindrical roller bearings	D:170 mm; Tolerance shaft:e7; Permissible sliding velocity v max.:0.5 m/s; Coefficient of friction µ max.:0.15; h:152 mm; Permissible sliding velocity v min.:0 m/s; Specific dynamic load factor K:25 N/mm²; d:150 mm; α:124 °; Coefficient of friction µ min.:0.08; Mass bushing:10.5
NNU494 KOYO Double-row cylindrical roller bearings	R2:21.431 mm; P180°:40 kN; Ca:37.008 mm; H1:82.55 mm; R1:46.038 mm; A1:79.375 mm; J min.:219.075 mm; P60°:104 kN; Initial grease fill:68.04 g; Cap bolt recommended tightening torque:149.1 N·m; Da:130 mm; A2:120.65 mm; L:285.75 mm; Max. speed for PosiTrac Plus seal:2350 r/min; Pa:6.94
NN314 KOYO Double-row cylindrical roller bearings	Accessories:One Shield & Snap-Ri; B:19.00 mm; Oil Speed Rating Open/Shielded n2:11000 rpm; d:20.000 mm; Grease Speed Rating Open/Shielded n1:9000 rpm; Basic Dynamic Radial Load Rating C:29200 N; Fillet Radius ra:1.00 mm; D:72.0000 mm; Basic Static Radial Load Rating Co:18600 N;
NN3036 KOYO Double-row cylindrical roller bearings	P90°:149 kN; Eye bolt:2 x 3/8-16 UNC; Cap bolt:5/8-11 UNC; S:4.763 mm; ba:53.181 mm; A2:190.5 mm; PG:1/4 NPT; h:46.831 mm; PosiTrac Plus contact element:2 x B10724-113; P120°:94.3 kN; Cap bolt, SAE grade:8; Labyrinth ring:2 x LOR 112; P150°:87.2 kN; Cap bolt recommended tightening torque
NN3038 KOYO Double-row cylindrical roller bearings	Da max.:299 mm; d2 ≈:228 mm; Basic dynamic load rating C:1630 kN; da min.:211 mm; Limiting speed:260 r/min; ra max.:2 mm; D1 ≈:280 mm; Basic static load rating C0:2650 kN; da max.:263 mm; r1,2 min.:2.1 mm; D:310 mm; Fatigue load limit Pu:236 kN; s2 max.:11.1 mm; s1 max.:21 mm; Operating
NN304 KOYO Double-row cylindrical roller bearings	Availability:In Stock; Static Load Rating (kN):325; B:44mm; Fatigue Load Rating (kN):34.5; Seals or Shields:Two Rubber Seals; Dynamic Load Rating (kN):285; D:150mm; d:85mm; Weight:3.00 KGS; SKU:bs2-2217-2rsk/vt143-; Clearance:Standard; Cage Type:Steel; Limiting Speed Rating (r/min):1100;
NN3034 KOYO Double-row cylindrical roller bearings	Height H:4.8906 in; Diameter N:0.5000 in; Distance J:3.8906 in; Shaft Diameter D:15/16 in; Dimension A2:0.6250 in; Height T:1.5313 in; Basic Dynamic Radial Load Rating:3150 lbf; Dimension A1:1.1875 in; Basic Static Radial Load Rating Co:1750 lbf; Weight W:1.35 lb; Dimension L:2.7500 in; Dimension DA
NN3032 KOYO Double-row cylindrical roller bearings	Basic Static Radial Load Rating Co:10000 N; Oil Speed Rating Open/Shielded n2:13000 rpm; Fillet Radius ra:0.64 mm; Sealed Speed Rating n3:6700 rpm; Basic Dynamic Radial Load Rating C:13800 N; D:62.0000 mm; d:40.000 mm; B:12.00 mm; Grease Speed Rating Open/Shielded n1:10000 rpm; Accessories:Two Shiel

7956B KOYO Single-row, matched pair angular contact ball bearings Video

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KOYO 7956B INTERCHANGE

Double-row cylindrical roller bearings Part series 7956B is a potential replacement for these common bearing part numbers:

NSK7956B
SKF7956B
NTN7956B
FAG7956B
TIMKEN7956B
KOYO7956B
NACHI7956B
DODGE7956B

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